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If A+B=[[1,0],[1,1]] and A-2 B=[[-1,1],[...

If `A+B=[[1,0],[1,1]]` and `A-2 B=[[-1,1],[0,1]]` then `A=`

A

`[[ (2)/(3), (1)/(3)],[ (2)/(3), (1)/(3]]`

B

`[[1,1],[2,1]]`

C

`[[ (1)/(3), (1)/(3)],[ (2)/(3), (1)/(3)]]`

D

none of these

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