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If \(A=\left[\begin{array}{ll}1& 2a\\ -8 & b+1\end{array}\right]\) and \(B=\left[\begin{array}{ll}1 &-6\\ -8 &13\end{array}\right]\) are equal matrices, then the value of \(a\) and \(b\) are respectively |
\(-3,6\) \(-3,4\) \(-3,12\) \(-3,6\) |
\(-3,12\) |
Two matrices are equal if and only if they are equal entry wise. 2a = -6 a = -3 b + 1 = 13 b = 13 - 1 = 12
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