Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) If `2A+3B=[[2,-1,4],[3,2,5]]` and `A+2B= [[5,1,3],[1,6,2]]`, then B= - Sarthaks eConnect
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If `2A+3B=[[2,-1,4],[3,2,5]]` and `A+2B= [[5,1,3],[1,6,2]]`, then B=

If `2A+3B=[[2,-1,4],[3,2,5]]` and `A+2B= [[5,1,3],[1,6,2]]`, then B=

A.

`[[8,-1,2],[-1,10,-1]]`

B.

`[[8,1,2],[-1,10,-1]]`
C.

`[[8,1,-2],[-1,10,-1]]`

D.

`[[8,1,2],[1,10,1]]`

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