Question

$if \frac{a}{b} + \frac{b}{a} = 2 \\ ({ \frac{a}{b} })^{2019} + ( { \frac{b}{a} })^{2019} = what...$
​

Answer 1

$if \frac{a}{b} + \frac{b}{a} = 2 \\ ({ \frac{a}{b} })^{2019} + ( { \frac{b}{a} })^{2019} = what...$

the answer is 2^2019