Question

find n if (4/3)^n-(4/3)^1=28/27​

Answer 1

$(\frac{4}{3})^n = \frac{28}{27} + \frac{4}{3}$

$(\frac{4}{3})^n = \frac{64}{27}$

$(\frac{4}{3})^n = (\frac{4}{3})^3$

Therefore, n = 3

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