(iii)2x+1+2x+2=48 – InterviewSolution

1.	(iii)2x+1+2x+2=48
Answer» 2^(x+1) + 2^(x+2) = 48 2^(x+1) (1+2) = 48 2^(x+1) = 16 = 2^4 x + 1 = 4 x = 3

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