Question

Find the value of x if
(2/7)⁸ × (2/7)¹³ = (2/7) ^ (7x)



${ \bf{Find \: the \: value \: of \: x \: if \: }} \\ { \bf{{\frac{2}{7}}^{8} \times {\frac{2}{7}}^{13} = {\frac{2}{7}}^{7x}}}$
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Answer 1

Answer:

from given equation

we get 8+1/3=7x

25=21x

x=25/21