HARD
RRC Group D CBT
IMPORTANT
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If a,b,c are non zero real numbers then the value of b2c2bcb+cc2a2cac+aa2b2aba+b is

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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 A with the corresponding cofactors of the same row is always equal to 
HARD
RRC Group D CBT
IMPORTANT
If A and B are square matrices and A-1 and B-1 exist then AB-1 =
HARD
RRC Group D CBT
IMPORTANT
If 5 is one root of the equation x372x-278x=0 then the other two roots of the equation are
MEDIUM
RRC Group D CBT
IMPORTANT
For a real number , let A denote the matrix, then for real numbers 1 and 2, A1A2
MEDIUM
RRC Group D CBT
IMPORTANT
For how many values of x in the closed interval -4,-1, the matrix 3-1+x23-1x+2x+3-12 is singular.