Maths-
General
Easy
Question
Matrix A is such that
, where I is the identity matrix The for

- nA‐(n‐l)I
The correct answer is: nA‐(n‐l)I
Related Questions to study
maths-
Statement‐I:: If
is increasing function with concavity upwards, then concavity of
is also upwards
Statement‐II:: If
is decreasing function with concavity upwards, then concavity of
is also upwards.
Statement‐I:: If
is increasing function with concavity upwards, then concavity of
is also upwards
Statement‐II:: If
is decreasing function with concavity upwards, then concavity of
is also upwards.
maths-General
maths-
Statement‐I::
, where
is Napier
sconstant.
Statement‐II:: If f
and
is positive
, then
increases with concavity up
and any chord lies above the curve.
Statement‐I::
, where
is Napier
sconstant.
Statement‐II:: If f
and
is positive
, then
increases with concavity up
and any chord lies above the curve.
maths-General
maths-
The beds of two rivers (within a certain region) are a parabola
and a straight line y=x-2 These rivers are to be connected by a straight canal The coordinates of the ends of the shortest canal can be:
The beds of two rivers (within a certain region) are a parabola
and a straight line y=x-2 These rivers are to be connected by a straight canal The coordinates of the ends of the shortest canal can be:
maths-General
maths-
If f(x) is twice differentiable function f((1)=1, f(2)=4, f(3)=9
If f(x) is twice differentiable function f((1)=1, f(2)=4, f(3)=9
maths-General
maths-
If f(x)
, then f(x)
If f(x)
, then f(x)
maths-General
maths-
The set of value (s) of
’for which the function
possess anegative point of inflection‐
The set of value (s) of
’for which the function
possess anegative point of inflection‐
maths-General
Maths-
The greatest, the least values of the function,
are respectively
Hence the final answer is (2,0)
The greatest, the least values of the function,
are respectively
Maths-General
Hence the final answer is (2,0)
Maths-
Suppose that
is differentiable for allx and that
for all x If
and f(4)=8 then f(2) has the value equal to
Hence f(2)=4 is the suitable option
Suppose that
is differentiable for allx and that
for all x If
and f(4)=8 then f(2) has the value equal to
Maths-General
Hence f(2)=4 is the suitable option
maths-
dxthenfis‐
dxthenfis‐
maths-General
Maths-
The tangent to the curve
at (1,1) meets the curve again at the point‐
The final answer is option B
The tangent to the curve
at (1,1) meets the curve again at the point‐
Maths-General
The final answer is option B
physics-
If the number of images that are formed between two mirrors are 6, then the angle between them is:
If the number of images that are formed between two mirrors are 6, then the angle between them is:
physics-General
physics-
in the above fig,
.
in the above fig,
.
physics-General
physics-
The image of a real object on a plane mirror is ...
The image of a real object on a plane mirror is ...
physics-General
physics-
When light propagates in Vacuum, there are electric and magnetic fields. These fields
When light propagates in Vacuum, there are electric and magnetic fields. These fields
physics-General
physics-
Coating of a conductor with a non - conductor is called ........
Coating of a conductor with a non - conductor is called ........
physics-General