Maths-
General
Easy

Question

Range of function f(x) = fraction numerator x squared plus 2 x plus 3 over denominator x end fraction comma x element of R is given by

  1. left square bracket 2 minus 2 square root of 3 comma 2 plus 2 square root of 3 right square bracket
  2. left square bracket 2 plus 2 square root of 3 comma straight infinity right parenthesis
  3. left parenthesis negative straight infinity comma 2 minus 2 square root of 3 right square bracket union left square bracket 2 plus 2 square root of 3 comma straight infinity right parenthesis
  4. None of these

The correct answer is: left parenthesis negative straight infinity comma 2 minus 2 square root of 3 right square bracket union left square bracket 2 plus 2 square root of 3 comma straight infinity right parenthesis


    Related Questions to study

    General
    physics-

    Find VAB

    Find VAB

    physics-General
    General
    physics-

    The circuit shown in following figure contains two diode D subscript 1 end subscript and D subscript 1 end subscript each with a forward resistance of 50 ohms and with infinite backward resistance. If the battery voltage is 6 V, the current through the 100 ohm resistance (in amperes) is

    The circuit shown in following figure contains two diode D subscript 1 end subscript and D subscript 1 end subscript each with a forward resistance of 50 ohms and with infinite backward resistance. If the battery voltage is 6 V, the current through the 100 ohm resistance (in amperes) is

    physics-General
    General
    physics-

    In the following circuits PN-junction diodes D1, D2 and D3 are ideal for the following potential of A and B, the correct increasing order of resistance between A and B will be

    i) – 10 V, – 5V (ii) – 5V, – 10 V
    iii) – 4V, – 12V

    In the following circuits PN-junction diodes D1, D2 and D3 are ideal for the following potential of A and B, the correct increasing order of resistance between A and B will be

    i) – 10 V, – 5V (ii) – 5V, – 10 V
    iii) – 4V, – 12V

    physics-General
    parallel
    General
    physics-

    In the circuit given below, V(t) is the sinusoidal voltage source, voltage drop V subscript A B end subscript left parenthesis t right parenthesis across the resistance R is

    In the circuit given below, V(t) is the sinusoidal voltage source, voltage drop V subscript A B end subscript left parenthesis t right parenthesis across the resistance R is

    physics-General
    General
    physics-

    The junction diode in the following circuit requires a minimum current of 1 mA to be above the knee point (0.7 V) of its I-V characteristic curve. The voltage across the diode is independent of current above the knee point. If VB = 5 V, then the maximum value of R so that the voltage is above the knee point, will be

    The junction diode in the following circuit requires a minimum current of 1 mA to be above the knee point (0.7 V) of its I-V characteristic curve. The voltage across the diode is independent of current above the knee point. If VB = 5 V, then the maximum value of R so that the voltage is above the knee point, will be

    physics-General
    General
    physics-

    In semiconductor the concentrations of electrons and holes are 8 ×1018/m3 and 5 × 1018/m respectively. If the mobilities of electrons and hole are 2.3 m2/volt-sec and 0.01 m2/volt-sec respectively, then semiconductor is

    In semiconductor the concentrations of electrons and holes are 8 ×1018/m3 and 5 × 1018/m respectively. If the mobilities of electrons and hole are 2.3 m2/volt-sec and 0.01 m2/volt-sec respectively, then semiconductor is

    physics-General
    parallel
    General
    physics-

    In the following common emitter configuration, an NPN transistor with current gain beta equals 100 is used. The output voltage of the amplifier will be

    In the following common emitter configuration, an NPN transistor with current gain beta equals 100 is used. The output voltage of the amplifier will be

    physics-General
    General
    Maths-

    The period of f(x) = [sin 5x] + |cos 6x| is -

    The period of f(x) = [sin 5x] + |cos 6x| is -

    Maths-General
    General
    physics-

    The diode used in the circuit shown in the figure has a constant voltage drop of 0.5 V at all currents and a maximum power rating of 100 milliwatts. What should be the value of the resistor R, connected in series with the diode for obtaining maximum current

    The diode used in the circuit shown in the figure has a constant voltage drop of 0.5 V at all currents and a maximum power rating of 100 milliwatts. What should be the value of the resistor R, connected in series with the diode for obtaining maximum current

    physics-General
    parallel
    General
    physics-

    Current in the circuit will be

    Current in the circuit will be

    physics-General
    General
    physics-

    In the circuit, if the forward voltage drop for the diode is 0.5V, the current will be

    In the circuit, if the forward voltage drop for the diode is 0.5V, the current will be

    physics-General
    General
    physics-

    A 2V battery is connected across the points A and B as shown in the figure given below. Assuming that the resistance of each diode is zero in forward bias and infinity in reverse bias, the current supplied by the battery when its positive terminal is connected to A is

    A 2V battery is connected across the points A and B as shown in the figure given below. Assuming that the resistance of each diode is zero in forward bias and infinity in reverse bias, the current supplied by the battery when its positive terminal is connected to A is

    physics-General
    parallel
    General
    Maths-

    In the figure, ABC; is triangle in which C = 90º and AB = 5 cm. D is a point on AB such that AD = 3 cm and angle A C D = 60º. Then the length of AC is –

    the m-n theorem states that 
     (m + n) cot θ = m cot α – n cot ß
    this gives us the cotangent of the angle CDA which is further used in the sine rule to find the length of AC

    In the figure, ABC; is triangle in which C = 90º and AB = 5 cm. D is a point on AB such that AD = 3 cm and angle A C D = 60º. Then the length of AC is –

    Maths-General

    the m-n theorem states that 
     (m + n) cot θ = m cot α – n cot ß
    this gives us the cotangent of the angle CDA which is further used in the sine rule to find the length of AC

    General
    maths-

    If f(x) =fraction numerator 1 minus x over denominator 1 plus x end fraction, then f left square bracket f left parenthesis sin invisible function application theta right parenthesis right square bracketequals

    If f(x) =fraction numerator 1 minus x over denominator 1 plus x end fraction, then f left square bracket f left parenthesis sin invisible function application theta right parenthesis right square bracketequals

    maths-General
    General
    physics-

    The figure shows four wire loops, with edge lengths of either L or 2L. All four loops will move through a region of uniform magnetic field stack B with rightwards arrow on top (directed out of the page) at the same constant velocity. Rank the four loops according to the maximum magnitude of the e.m.f. induced as they move through the field, greatest first

    The figure shows four wire loops, with edge lengths of either L or 2L. All four loops will move through a region of uniform magnetic field stack B with rightwards arrow on top (directed out of the page) at the same constant velocity. Rank the four loops according to the maximum magnitude of the e.m.f. induced as they move through the field, greatest first

    physics-General
    parallel

    card img

    With Turito Academy.

    card img

    With Turito Foundation.

    card img

    Get an Expert Advice From Turito.

    Turito Academy

    card img

    With Turito Academy.

    Test Prep

    card img

    With Turito Foundation.