Lecture 3 - VIT MCA Computer Section Previous Year Questions | VIT PYQ | Lakshya MCA

VIT MCA Computer Section Previous Year Questions | VIT PYQ | Lakshya MCA

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f A and B are square matrices such that B=−A−1BA
, then (A+B)2
is

If A is an invertible skew-symmetric matrix, then is a

If F(θ)=⎡⎣⎢cosθsinθ0−sinθcosθ0001⎤⎦⎥
, then F(θ)F(α)
is equal to

Find a matrix X such that 2A + B + X = 0, whose A = and B =


If x, y, z are distinct real numbers then = 0, then xyz=

If D=∣∣∣∣11112+x1112+y∣∣∣∣forx≠0,y≠0
then D is


If a, b, c are the roots of the equation , then the value of is

If the system of equations 3x−y+4z=3
, x+2y−3z=−2
, 6x+5y+λz=−3
has atleast one solution, then λ=


The number of values of k for which the linear equations
4x + ky + z = 0
kx + 4y + z = 0
2x + 2y + z = 0
posses a non-zero solution is

Let A = (aij) and B = (bij) be two square matricesof order n and det(A) denotes the determinant of A. Then, which of the following is not correct.