Question

Solve:-
2ⁿ–¹+2ⁿ+¹=320​

Answer 1

Answer:

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Explanation:

2 ^n(2^-1 +2^+1 )= 320

2^n ( 1/2 + 2) = 320

2 ^n( 5/2) = 320

2^n = 320*2/5

2^n=64*2

2^n=128

2^n=2^7

thus, n = 7