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CUET (PG)
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Mathematics
List of top Mathematics Questions asked in CUET (PG)
The order of the given permutation
\(\begin{pmatrix} 1 & 2 & 3 & 4 & 5 & 6& 7&8&9 \\2 &4& 6 &1 &7&3& 8&9 &5 \end{pmatrix}\)
is:
CUET (PG) - 2023
CUET (PG)
Mathematics
Permutations
The matrix P is the inverse of a matrix Q. If I denotes the identity matrix, which one of the following options is correct?
CUET (PG) - 2023
CUET (PG)
Mathematics
Matrices
If the matrices
\(\left(\begin{matrix} 1 & 0 \\ 0 & 0 \end{matrix}\right),\left(\begin{matrix} -1 & 0 \\ 0 & 0 \end{matrix}\right),\left(\begin{matrix} i & 0 \\ 0 & 0 \end{matrix}\right) and \left(\begin{matrix} -i & 0 \\ 0 & 0 \end{matrix}\right)\)
form a group with respect to matrix multiplication, then which one of the following statements about the groups, thus formed is correct?
CUET (PG) - 2023
CUET (PG)
Mathematics
Matrices
Consider the linear mapping F: R
2
→R
2
defined by F(x, y) = (3x+4y, 2x-5y) and following bases of R
2
: E= {e
1
, e
2
} = {(1, 0), (0, 1)} and S = {u
1
, u
2
} = {(1, 2), (2, 3)}. Then the matrix A representing F relative to the basis E is:
CUET (PG) - 2023
CUET (PG)
Mathematics
Matrices
If λ
1
,λ
2
,λ
3
are the given values of the matrix
\(\begin{bmatrix} -2 & 2 & -3 \\ 2 & 1 & -6 \\ -1 & -2 & 0 \end{bmatrix}\)
, then λ
1
2
+λ
2
2
+λ
3
2
is equal to
CUET (PG) - 2023
CUET (PG)
Mathematics
Matrices
The dimension of the general solution space W of the homogeneous system
x
1
+2x
2
-3x
3
+2x
4
-4x
5
=0
2x
1
+4x
2
-5x
3
+x
4
-6x
5
= 0
5x
1
+10x
2
-13x
3
+4x
4
-16x
5
= 0
CUET (PG) - 2023
CUET (PG)
Mathematics
Matrices
The point (-1, 2, 7, 6) lies in which of the following half spaces corresponding to hyperplane 2x
1
+3x
2
+4x
3
+5x
4
= 6
CUET (PG) - 2023
CUET (PG)
Mathematics
Three Dimensional Geometry
If A=
\(\begin{bmatrix} 1 & 2 & 0 & -1\\ 2 & 6 & -3 & -3\\ 3 & 10 & -6 & -5 \end{bmatrix}\)
, then which one of the following is true?
CUET (PG) - 2023
CUET (PG)
Mathematics
Matrices
In a group G, if a
5
= e, aba
-1
= b
2
for a, b ∈ G then o(b) is equal to:
CUET (PG) - 2023
CUET (PG)
Mathematics
Vector space
Which of the following are generators of the multiplicative group {(1,2,3,4,5,6), x
7
} where x
7
denotes multiplication moduls 7?
CUET (PG) - 2023
CUET (PG)
Mathematics
Vector space
Which of the following is incorrect?
CUET (PG) - 2023
CUET (PG)
Mathematics
Vector space
Which one of the following statements is wrong.
CUET (PG) - 2023
CUET (PG)
Mathematics
Vector space
The volume generated by the revolution of the cardiod r = a(1-cosθ) about x-axis is
CUET (PG) - 2023
CUET (PG)
Mathematics
Integration
Given below are two statements
Statement I: Let G a finite group and H a subgroup of G. Then, the order of H is a divisor of the order of G. That is, |H| divides |G|
Statement II: Let a be an element in a finite group G. Then, O(a) divides |G|
In the light of the above statements, choose the most appropriate answer from the options given below
CUET (PG) - 2023
CUET (PG)
Mathematics
Vector space
The value of the dot product of the eigenvectors corresponding to any pair of different eigen values of a 4 × 4 symmetric positive definite matrix is
CUET (PG) - 2023
CUET (PG)
Mathematics
Eigenvectors
In the neighborhood of z = 1, the function f(z) has a power series expansion of the form f(z) = 1+(1-z)+(1-z)
2
+ .... then f(z) is
CUET (PG) - 2023
CUET (PG)
Mathematics
Power series solutions for ordinary points
In a class of 49 students, the ratio of girls to boys is 4:3. If 4 girls leave the class, the ratio of girls to boys would be
CUET (PG) - 2023
CUET (PG)
Mathematics
Ratio
If income of A is 20% more than that of B, then income of B is how much percent less than that of A?
CUET (PG) - 2023
CUET (PG)
Mathematics
Percentage
The Value of
\(lim_{n\rightarrow \infty }\bigg[\frac{2}{1}\bigg(\frac{3}{2}\bigg)^2\bigg(\frac{4}{3}\bigg)^3.....\bigg(\frac{n+1}{n}\bigg)^n\bigg]^{\frac{1}{n}}is\)
CUET (PG) - 2023
CUET (PG)
Mathematics
Limits
Let
\(F: R^4 → R^3\)
be the linear mapping defined by:
F(x,y,z,t)=(x-y+z+t, 2x-2y+3z+4t, 3x-3y+4z+5t), then nullity (F) equals
CUET (PG) - 2023
CUET (PG)
Mathematics
Vector space
If f(x) satisfies the conditions of Rolle's theorem in [1, 2] and f(x) is continuous in [1, 2], then
\(\int_1^2f'(x)dx\)
is equal to
CUET (PG) - 2023
CUET (PG)
Mathematics
Integration
The value of
\(\int\limits_C \frac{\sin\pi z^2+\cos\pi z^2}{(z-1)(z-2)}dz\)
, where C is the circle |z|=3 is
CUET (PG) - 2023
CUET (PG)
Mathematics
Integration
The average of 5 consecutive odd positive integers is 9. Then sum of smallest and greatest number is
CUET (PG) - 2023
CUET (PG)
Mathematics
Average
The orthogonal trajectories of the family of curves y =
\(ax^3\)
is
CUET (PG) - 2023
CUET (PG)
Mathematics
Curves
The general solution of differential equation
\(\frac{d^2y}{dx^2}+9y=sin^3x\)
is
(given that c
1
and c
2
are arbitrary constants)
CUET (PG) - 2023
CUET (PG)
Mathematics
Solutions of Differential Equations
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