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Question

Mathematics Question on Determinants

Let 212\111\10  3\begin{vmatrix} 2&1&-2\\\1&1&-1\\\1&0&\ \ 3 \end{vmatrix}and let B=|A|adj(A). Then |B|=

A

256

B

64

C

512

D

1024

E

128

Answer

1024

Explanation

Solution

The correct option is (D) : 1024