If $A$ and $B$ are square matrices of order 3 , then $\left|\left(A-A^T\right)+\left(B-B^T\right)\right|=$

If $A$ and $B$ are square matrices of order 3 , then $\left|\left(A-A^T\right)+\left(B-B^T\right)\right|=$
  1. $2|\mathrm{~A}|$
  2. $2|\mathrm{~B}|$
  3. $2(|\mathrm{~A}|+|\mathrm{B}|)$
  4. $0$

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2017 (25 Apr Shift 2)

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