1
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0
If $$A = \left[ {\matrix{ a & 0 & 0 \cr 0 & a & 0 \cr 0 & 0 & a \cr } } \right]$$, then $$|A||adj\,A|$$ is equal to
2
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0
If $$A = \left[ {\matrix{ {2 - k} & 2 \cr 1 & {3 - k} \cr } } \right]$$ is a singular matrix, then the value of $$5k - {k^2}$$ is
3
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0
If for any 2 $$\times$$ 2 square matrix A, A (adj A) = $$\left[ {\matrix{ 8 & 0 \cr 0 & 8 \cr } } \right]$$, then the value of det (A).
4
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0
If matrix $$A = \left[ {\matrix{ 2 & { - 2} \cr { - 2} & 2 \cr } } \right]$$ and $${A^2} = pA$$, then the value of $$p$$ is
Questions Asked from Matrices and Determinants (MCQ (Single Correct Answer))
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