>
CUET (PG)
List of top Questions asked in CUET (PG)
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A
: The integral
\(\int\limits_c\frac{z^2+6z+2}{z-2} dz = 0\)
, where C is the circle |z|=3
Reason R:
If there is no pole inside and on the contour C, then the value of the integral of the function along C is zero
In the light of the above statements, choose the correct answer from the options given below
CUET (PG) - 2023
CUET (PG)
Mathematics
Cauchy’s integral formula
A. f(z) is analytic then
\(U_x=V_y,U_y=-V_x\)
B. Polar C-R equation is
\(U_r=\frac{1}{r} V_o,U_o=-rV_r\)
C. Two curves are said to be orthogonal to each other, when they intersect at acute angle at each of their points of intersection
D.
\(\int_c \frac{dz}{z-1}=2πi\)
where
\(C:|z-1|=\frac{1}{2}\)
choose the correct answer from the options given below:
CUET (PG) - 2023
CUET (PG)
Mathematics
Cauchy’s integral formula
Let
\(Z^3 = \bar Z\)
where Z is a complex number on the unit circle then Z is a solution of _____:
CUET (PG) - 2023
CUET (PG)
Mathematics
Cauchy’s integral formula
If
\(u = x^2 - y^2\)
is real part of an analytic function f(z), then f(z) is:
CUET (PG) - 2023
CUET (PG)
Mathematics
Analytic functions
Match List I with List II
LIST I
LIST II
A
.
\(f(z)=z^3\)
I
.
Not analytic any where
B
.
\(f(z)=\frac{1}{z}\)
II
.
Analytic at Z = 0 only
C
.
\(f(z)=\bar z\)
III
.
Analytic everywhere
D
.
\(f(z)=z\bar z\)
IV
.
Not analytic at Z = 0
Choose the correct answer from the options given below:
CUET (PG) - 2023
CUET (PG)
Mathematics
Analytic functions
If
\(ƒ(x + iy) = x^3 − 3.xy^2 + ¡\Psi(x,y) \space where \space i= \sqrt{-1}\)
and ƒ (x+iy) is an analytic function, then
\(\Psi (x, y)\)
is:
CUET (PG) - 2023
CUET (PG)
Mathematics
Analytic functions
Given below are two statements
Statement I: If f(z) = u + iv is an analytic function, then u and v are both harmonic function.
Statement II: If f (z) is analytic within and on a closed curve C, and if a is any point within C, then
\(f(a)=\frac{1}{2πi}\int_c\frac{f(z)}{z-a}dz\)
In the light of the above statements, choose the most appropriate answer from the options given below
CUET (PG) - 2023
CUET (PG)
Mathematics
Analytic functions
If a right circular cylinder a height 14cm is increased in a sphere of radius 8cm then volume of the cylinder (in cm
3
)- (use π =
\(\frac{22}{7}\)
).
CUET (PG) - 2023
CUET (PG)
Mathematics
Volume of Cube, Cuboid and Cylinder
If particular Integral (P.I) of
\((D^2-4D+4)y=x^3e^{2x}\)
is
\(e^{mx}\frac{x^n}{20}\)
, then m
2
+n
2
is equal to:
CUET (PG) - 2023
CUET (PG)
Mathematics
Integrals of Some Particular Functions
The rank of matrix A =
\(\begin{bmatrix} 1&3&1&-2&-3\\1&4&3&-1&-4\\2&3&-4&-7&-3\\3&8&1&-7&-8 \end{bmatrix}\)
CUET (PG) - 2023
CUET (PG)
Mathematics
Matrices
Let A =
\(\begin{bmatrix}2&3\\4&-1\end{bmatrix}\)
then the matrix B that represents the linear operator A relative to the basis
S = {
\(u_1,u_2\)
}=
\({[1, 3]^T, [2, 5]^T}\)
, is:
CUET (PG) - 2023
CUET (PG)
Mathematics
Matrices
Which one of the following is a cyclic group?
CUET (PG) - 2023
CUET (PG)
Mathematics
Matrices
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: The given vector
\(\vec{F}=(y^2-z^2+3yz-2x)\hat{i} +(3xz+2xy)\hat{j}+(3xy-2xz+2z)\hat{k}\)
is solenoidal
Reason R: A vector
\(\vec{F}\)
is said to be solenoidal if div
\(\vec{F}\)
= 0
In the light of the above statements, choose the correct answer from the options given below :
CUET (PG) - 2023
CUET (PG)
Mathematics
Vector Algebra
If the curl of vector
\(\vec{A} = (2xy-3yz)\hat{i} +(x^2+axz −4z^2)\hat{j}-(3xy+byz)\hat{k}\)
is zero, then a + b is equal to :
CUET (PG) - 2023
CUET (PG)
Mathematics
Vector Algebra
For what value(s) of k the set of vectors {(1, k, 5), (1, -3, 2), (2, -1, 1)} form a basis in R
3
?
CUET (PG) - 2023
CUET (PG)
Mathematics
Vector Algebra
The work done by the force
\(\overrightarrow F = (x^2-y^2)\hat{i} + (x+y)\hat{j}\)
in moving a particle along the closed path C containing the curves x + y = 0, x
2
+ y
2
= 16 and y = x in the first and fourth quadrant is
CUET (PG) - 2023
CUET (PG)
Mathematics
Vector Algebra
The area bounded by the curves y = x
2
and y = 4 - x
2
is
CUET (PG) - 2023
CUET (PG)
Mathematics
Area under Simple Curves
The set of all points, where the function
\(f(x)=\frac{x}{(1+|x|)}\)
is differentiable, is
CUET (PG) - 2023
CUET (PG)
Mathematics
Continuity and differentiability
The value of C in Rolle's theorem where
\(-\frac{π}{2}\)
<C<
\(\frac{π}{2}\)
and
\(f(x)=cos x\)
on
\([-\frac{π}{2},\frac{π}{2}]\)
is equal to :
CUET (PG) - 2023
CUET (PG)
Mathematics
Continuity and differentiability
Which one of the following is harmonic function
CUET (PG) - 2023
CUET (PG)
Mathematics
Application of derivatives
The infinite series
\(\displaystyle\sum_{n=1}^{∞} (1+\frac{1}{n})^{-n^2}\)
is:
CUET (PG) - 2023
CUET (PG)
Mathematics
Principle of Mathematical Induction
The infinite series
\(\displaystyle\sum_{n=1}^{∞} \frac{3^n}{4^{n+2}}\)
is:
CUET (PG) - 2023
CUET (PG)
Mathematics
Principle of Mathematical Induction
Match List I with List II
LIST I
LIST II
A
.
Series
\(\displaystyle\sum_{n=1}^{∞} \frac{1}{n^\frac{3}{2}}\)
is
I
.
Monotone and
convergent both
B
.
Series
\(\displaystyle\sum_{n=1}^{∞} \frac{3^n}{n^2}\)
is
II
.
\(e^{-2}\)
C
.
\(\lim\limits_{n \to \infty} (\frac{n+1}{n+2})^{2n+1}\)
III
.
Divergent to
∞
D
.
sequence
\(x_n=1+\frac{1}{2!}+\frac{1}{3!}+…\frac{1}{n!}\)
for n∈N
IV
.
Convergent
Choose the correct answer from the options given below:
CUET (PG) - 2023
CUET (PG)
Mathematics
Principle of Mathematical Induction
The value of
\(\lim\limits_{n \to \infty} \frac{1}{n} [1+2^{\frac{1}{2}}+3^{\frac{1}{3}}+...n^{\frac{1}{n}}]\)
is
CUET (PG) - 2023
CUET (PG)
Mathematics
Principle of Mathematical Induction
Match List I with List II
LIST I
LIST II
A
.
A square matrix A is said to be symmetric if
I
.
A=A'
B
.
A square matrix A is said to be skew symmetric if
II
.
A= -A'
C
.
If A is any square matrix then
III
.
A+A' is a symmetric matrix
D
.
If A is any square matrix then
IV
.
A-A' is a skew symmetric matrix
Choose the correct answer from the options given below:
CUET (PG) - 2023
CUET (PG)
Mathematics
Types of Matrices
Prev
1
...
665
666
667
668
669
...
819
Next