HARD
RRC Group D CBT
IMPORTANT
Earn 100

If are non zero real numbers then the value of is
(a)
(b)
(c)
(d)

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Important Questions on Matrices and Determinants
HARD
RRC Group D CBT
IMPORTANT
The sum of the products of the elements of any row of a determinant with the corresponding cofactors of the same row is always equal to

HARD
RRC Group D CBT
IMPORTANT
If and are square matrices and and exist then

EASY
RRC Group D CBT
IMPORTANT
The value of

MEDIUM
RRC Group D CBT
IMPORTANT
If then

HARD
RRC Group D CBT
IMPORTANT
If is one root of the equation then the other two roots of the equation are

MEDIUM
RRC Group D CBT
IMPORTANT
For a real number , let denote the matrix, then for real numbers and ,

MEDIUM
RRC Group D CBT
IMPORTANT
For how many values of in the closed interval , the matrix is singular.

MEDIUM
RRC Group D CBT
IMPORTANT
Inverse of the matrix is
