Answer:-
2^n-1+2^n+1=320
2^n.2^-1+2^n.2^1=320
2^n(2^-1+2)=320
2^n(1/2+2)=320
2^n(5/2)=320
2^n=(320×5)/2
2^n=64
2^n=2^7
N=7
Answer is 7
answer is 7. if you have any questions just comment below
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