Question

If a a = -1 and b=2, the value of 2a²b
.
+ 3a.​

Answer 1

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Given:- a=-1, b=2

2a²b+3a

=>2×(-1)²×2+3×(-1)

=>2×(-1)×(-1)×2+3×-1

=>2×1×2-3

=>2-1=1

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