If 2n of -1 + 2n + 1 = 320 , then find the value of n
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Answer:
7
Step-by-step explanation:
2n-1 + 2n+1 320
⇒ 2″-¹ (1+2²) = 320
⇒ 2-1 x 5 = 320
320 ⇒ 2n-1 64 5
(2)"-1 = (2)6
⇒ n - 1 = 6
⇒ n = 7
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