Question

Please tell me this question please​

Answer 1

Step-by-step explanation:

(x/y)^-1=y/x by using this formula we can prove it.

Answer 2

Step-by-step explanation:

$\frac{ 1 }{ \frac{5}{3} - \frac{3}{1}}$

$= \frac{1}{ \frac{5 - 9}{3} }$

$= \frac{1}{ \frac{-4}{3} }$

$= \frac{3}{-4}$

Hence proved

Note: If you have inverse power, you can convert into a positive power by interchanging denominator and numerator. Then by normal method, you can solve