Question

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Answer 1

vi) Well take 2^n common, we get

= 2^n (1 + 2^-1) / 2^n(2^1 - 1)

2^n will cancel each other

= ( 1 +1/2 ) / (2 - 1)

= (3/2) / 1

= 3/2 = RHS

Hence proved

Answer 2

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