Question

8. Find m so that :(-4)^m+1 *(-4)^5 = (-4)^7
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Answer 1

Answer :-

Since we can see that the base is equal.. therefore on solving the powers we get ,

(m + 1) + 5 = 7

m + 6 = 7

m = 7 - 6

m = 1__Ans.

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