Question

Find my so that (-3) m+1 X (-3) 5=(-3)7​

Answer 1

Answer:

Correct option is

C

1

(−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

Answer 2

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

Step-by-step explanation:

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