If 2 A+3 B=\left[\begin{array}{ccc}2 & -1 & 4 \ 3 & 2 & 5]\end{array} and A+2 B=\left[\begin{array}{ccc}5 & 0 & 3 \ 1 & 6 & 2]\end{array}, then B=

Correct Answer is : [812−110−1]boldsymbold.[8−12−110−1]

\left[\begin{array}{ccc}8 & 1 & 2 \ 1 & 10 & 1]\end{array}

\left[\begin{array}{ccc}8 & 1 & -2 \ -1 & 10 & -1]\end{array}

\left[\begin{array}{ccc}8 & 1 & 2 \ -1 & 10 & -1]\end{array} \boldsymbol{d} .\left[\begin{array}{ccc}8 & -1 & 2 \ -1 & 10 & -1]\end{array}

COMEDK Exam 2016 Solved Paper

Question : 131 of 180

Marks: +1, -0

If 2A+3B=[

2	−1	4
3	2	5

] and A+2B=[

5	0	3
1	6	2

], then B=

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