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Question

If a= -1, b=1/2, then find the value of(2a3 b​​​​​​2)3

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Solution

(-1)^3 = -1 = a^3
(1/2)^2 = 1/4 = b^2

2a3 b​​​​​​2 = (2*-1*1/4)
= -1/2
-1/2)^3 = -1/8 =
(2a3 b​​​​​​2)3

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