Find the value of m, so that:(2/7)^5×(2/7)^-12=(2/7)^2m-1 – InterviewSolution

1.

Find the value of m, so that:(2/7)^5×(2/7)^-12=(2/7)^2m-1

Answer»

Step-by-step EXPLANATION:

(2/7)^5*(2/7)^-12=(2/7)^2m-1

(2/7)^-7=(2/7)^2m-1

Here a^b=a^c

So b=c

So - 7=2m-1

- 2m=7-1

m=6/-2

M = - 3

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