A= [ cc 1 & -1 -1 & 1 ] A^2= - Vidyadip

MCQ

$A=\left[\begin{array}{cc}1 & -1 \\ -1 & 1\end{array}\right] \Rightarrow A^2=$

A
2A
✓
A
C
$\frac{1}{2} A$
D
4A

✓

Answer

Correct option: B.

A

A

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