Question

If a=2r aise to x-1,b=2 raise to minus x and a-b=0 find x

Answer 1

a=2^x-1

b=2^-x

a-b=2^x-1-2^-x=0

2^x-1 =2^-x

on comparing

x-1 =-x

x=1/2

I hope it is clear to you

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