Question

find value of m [-3]^m+1*[-3]^5=[-3]7
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Answer 1

Answer:

(−3)

m+1

×(−3)

5

=(−3)

7

(−3)

m+1+5

=(−3)

7

(−3)

m+6

=(−3)

7

On both the sides powers have the same base different from 1 and -1, so their exponents must be equal.

Therefore, m + 6 = 7

or m = 7 - 6 = 1