Q.
If A−2B=1 53 7 and 2A−3B=−2 50 7, then matrix B is equal to
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a
−4 −5−6 −7
b
0 6−3 7
c
2 −13 2
d
6 −10 1
answer is A.
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Detailed Solution
We have B=(2A−3B)−2(A−2B)=−4 −5−6 −7
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