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Maths-

General

Easy

Question

If $l o g subscript 4 end subscript left parenthesis x plus 2 y right parenthesis plus l o g subscript 4 end subscript left parenthesis x minus 2 y right parenthesis equals 1$ , then
Statement $negative 1 colon left parenthesis vertical line x vertical line minus vertical line y vertical line right parenthesis subscript blank m i n blank end subscript equals square root of 3$ because
Statement $negative 2$ :A.M $greater or equal than G. M$ for $R to the power of plus end exponent.$

Statement‐l is True, Statement‐2 is True; Statement‐2 is a correct explanation for Statement‐l
Statement‐l is True, Statement‐2 is True; Statement‐2 is NOT a correct
Statement‐l is True, Statement‐2 is False
Statement‐l is False, Statement‐2 is True

The correct answer is: Statement‐l is True, Statement‐2 is False

Statement‐l
$equals x greater than 2 vertical line y vertical line greater or equal than 0$
Let $y greater or equal than 0$ and x—y $equals u$
$x to the power of 2 end exponent minus 4 y to the power of 2 end exponent equals 4 equals 3 y to the power of 2 end exponent minus 2 u y plus left parenthesis 4 minus u to the power of 2 end exponent right parenthesis equals 0$
$superset of D greater or equal than 0 superset of u greater or equal than square root of 3.$

Related Questions to study

If $alpha element of left parenthesis negative fraction numerator pi over denominator 2 end fraction comma 0 right parenthesis$ , then the value of $t a n to the power of negative 1 end exponent left parenthesis blank c o t blank alpha right parenthesis minus c o t to the power of negative 1 end exponent left parenthesis blank t a n blank alpha right parenthesis$ is equal to

If $alpha element of left parenthesis negative fraction numerator pi over denominator 2 end fraction comma 0 right parenthesis$ , then the value of $t a n to the power of negative 1 end exponent left parenthesis blank c o t blank alpha right parenthesis minus c o t to the power of negative 1 end exponent left parenthesis blank t a n blank alpha right parenthesis$ is equal to

The minimum value of $left parenthesis s e c to the power of negative 1 end exponent x right parenthesis to the power of 2 end exponent plus left parenthesis blank c o s blank e c to the power of negative 1 end exponent x right parenthesis to the power of 2 end exponent$ is

The minimum value of $left parenthesis s e c to the power of negative 1 end exponent x right parenthesis to the power of 2 end exponent plus left parenthesis blank c o s blank e c to the power of negative 1 end exponent x right parenthesis to the power of 2 end exponent$ is

If $5 f left parenthesis x right parenthesis plus 3 f left parenthesis fraction numerator 1 over denominator x end fraction right parenthesis equals x plus 2$ andy $equals x f$ (x)then $fraction numerator d y over denominator d x end fraction$ at x=1 is

If $5 f left parenthesis x right parenthesis plus 3 f left parenthesis fraction numerator 1 over denominator x end fraction right parenthesis equals x plus 2$ andy $equals x f$ (x)then $fraction numerator d y over denominator d x end fraction$ at x=1 is

parallel

Statement 1:Degree of differential equation $2 x minus 3 y plus 2 equals blank l o g blank left parenthesis fraction numerator d y over denominator d x end fraction 1$ is not defined
Statement 2: In the given D.E, the power of highest order derivative when expressed as a polynomials of derivatives is called degree

Statement 1:Degree of differential equation $2 x minus 3 y plus 2 equals blank l o g blank left parenthesis fraction numerator d y over denominator d x end fraction 1$ is not defined
Statement 2: In the given D.E, the power of highest order derivative when expressed as a polynomials of derivatives is called degree

The solution of $e to the power of x y end exponent left parenthesis x y to the power of 2 end exponent d y plus y to the power of 3 end exponent d x right parenthesis plus e to the power of x divided by y end exponent left parenthesis y d x minus x d y right parenthesis equals 0$ is

The solution of $e to the power of x y end exponent left parenthesis x y to the power of 2 end exponent d y plus y to the power of 3 end exponent d x right parenthesis plus e to the power of x divided by y end exponent left parenthesis y d x minus x d y right parenthesis equals 0$ is

Solution of the equation $fraction numerator d y over denominator d x end fraction equals fraction numerator y to the power of 2 end exponent minus y minus 2 over denominator x to the power of 2 end exponent plus 2 x minus 3 end fraction$ is $minus$ ( where c is arbitrary constant)

Solution of the equation $fraction numerator d y over denominator d x end fraction equals fraction numerator y to the power of 2 end exponent minus y minus 2 over denominator x to the power of 2 end exponent plus 2 x minus 3 end fraction$ is $minus$ ( where c is arbitrary constant)

parallel

Assertion (A) : If (2, 3) and (3,2) are respectively the orthocenters of $capital delta A B C$ and $capital delta D E F$ where D, E, F are mid points of sides of $capital delta A B C$ respectively then the centroid of either triangle is $Error converting from MathML to accessible text.$
Reason (R) :Circumcenters of triangles formed by mid‐points of sides of $capital delta A B C$ and pedal triangle of $capital delta A B C$ are same

Assertion (A) : If (2, 3) and (3,2) are respectively the orthocenters of $capital delta A B C$ and $capital delta D E F$ where D, E, F are mid points of sides of $capital delta A B C$ respectively then the centroid of either triangle is $Error converting from MathML to accessible text.$
Reason (R) :Circumcenters of triangles formed by mid‐points of sides of $capital delta A B C$ and pedal triangle of $capital delta A B C$ are same

Two metallic strings A and B of different materials are connected in series forming a joint. The strings have similar cross-sectional area. The length of A is $l subscript A end subscript equals 0.3 m$ and that of B is $l subscript B end subscript equals 0.75 m$ . One end of the combined string is tied with a support rigidly and the other end is loaded with a block of mass m passing over a frictionless pulley. Transverse waves are setup in the combined string using an external source of variable frequency. The total number of antinodes at this frequency with joint as node is (the densities of A and B are $6.3 cross times 10 to the power of 3 end exponent k g m to the power of negative 3 end exponent text and end text 2.8 cross times 10 to the power of 3 end exponent k g m to the power of negative 3 end exponent$ respectively)

Two metallic strings A and B of different materials are connected in series forming a joint. The strings have similar cross-sectional area. The length of A is $l subscript A end subscript equals 0.3 m$ and that of B is $l subscript B end subscript equals 0.75 m$ . One end of the combined string is tied with a support rigidly and the other end is loaded with a block of mass m passing over a frictionless pulley. Transverse waves are setup in the combined string using an external source of variable frequency. The total number of antinodes at this frequency with joint as node is (the densities of A and B are $6.3 cross times 10 to the power of 3 end exponent k g m to the power of negative 3 end exponent text and end text 2.8 cross times 10 to the power of 3 end exponent k g m to the power of negative 3 end exponent$ respectively)

physics-General

A rod PQ of length ‘L’ is hung from two identical wires A and B. A block of mass ‘m’ is hung at point R of the rod as shown in figure. The value of ‘x’ so that the fundamental mode in wire A is in resonance with first overtone of B is

A rod PQ of length ‘L’ is hung from two identical wires A and B. A block of mass ‘m’ is hung at point R of the rod as shown in figure. The value of ‘x’ so that the fundamental mode in wire A is in resonance with first overtone of B is

physics-General

parallel

The length of the wire shown in figure between the pulley is 1.5m and its mass is 12 gm. Find the frequency of vibration with which the wire vibrates in two loops leaving the middle point of the wire between the pulleys at rest

The length of the wire shown in figure between the pulley is 1.5m and its mass is 12 gm. Find the frequency of vibration with which the wire vibrates in two loops leaving the middle point of the wire between the pulleys at rest

physics-General

In a sonometer wire, the tension is maintained by suspending a 20kg mass from the free end of the wire. The fundamental frequency of vibration is 300 Hz

If the tension is provided by two masses of 6kg and 14kg suspended from a pulley as show in the figure the fundamental frequency will

In a sonometer wire, the tension is maintained by suspending a 20kg mass from the free end of the wire. The fundamental frequency of vibration is 300 Hz

If the tension is provided by two masses of 6kg and 14kg suspended from a pulley as show in the figure the fundamental frequency will

physics-General

A train A crosses a station with a speed of 40 m/s and whistles a short pulse of natural frequency $n subscript 0 end subscript equals 596 H z$ . Another train B is approaching towards the same station with the same speed along a parallel track. Two tracks are d = 99m apart. When train A whistles, train B is 152m away from the station as shown in fig. If velocity of sound in air v m s = 330 / , calculate frequency of the pulse heard by driver of train B

A train A crosses a station with a speed of 40 m/s and whistles a short pulse of natural frequency $n subscript 0 end subscript equals 596 H z$ . Another train B is approaching towards the same station with the same speed along a parallel track. Two tracks are d = 99m apart. When train A whistles, train B is 152m away from the station as shown in fig. If velocity of sound in air v m s = 330 / , calculate frequency of the pulse heard by driver of train B

physics-General

parallel

Two tuning forks P and Q are vibrated together. The number of beats produced are represented by the straight line OA in the following graph. After loading Q with wax again these are vibrated together and the beats produced are represented by the line OB. If the frequency of P is 341 Hz, the frequency of Q will be ___

Two tuning forks P and Q are vibrated together. The number of beats produced are represented by the straight line OA in the following graph. After loading Q with wax again these are vibrated together and the beats produced are represented by the line OB. If the frequency of P is 341 Hz, the frequency of Q will be ___

physics-General

conditions of the experiment the velocity of sound in hydrogen is 1100 m/s and oxygen 300 m/s)

conditions of the experiment the velocity of sound in hydrogen is 1100 m/s and oxygen 300 m/s)

physics-General

A heavy but uniform rope of length L is suspended from a ceiling

A particle is dropped from the ceiling at the same instant the bottom end is given the jerk. where will the particle meet the pulse measured from bottom?

A heavy but uniform rope of length L is suspended from a ceiling

A particle is dropped from the ceiling at the same instant the bottom end is given the jerk. where will the particle meet the pulse measured from bottom?

physics-General

parallel

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