Q.
If the product of the matrix B=264101−11−4 with a matrix A has inverse C=−101113202, then A−1=
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a
−3−550914226
b
−35500921416
c
−3−5−809−72140
d
−3−3−50922146
answer is C.
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Detailed Solution
We have (BA)−1=C⇒A−1B−1=C⇒A−1=CB∴A−1=−101113202264101−11−4 =−3−5−809−72140
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