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If A=[[3 ,1] , [-1 , 2]] then A^(2)=...

If `A=[[3 ,1] , [-1 , 2]]` then `A^(2)`=

A

`[[8 ,5] , [-5 , 3]]`

B

`[[8 ,-5] , [-5 , 3]]`

C

`[[8 ,-5] , [5 , 3]]`

D

`[[8 ,-5] , [-5 , -3]]`

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The correct Answer is:
A
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HIMALAYA PUBLICATION-MATRICES AND DETERMINANTS-QUESTION BANK
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