Question

Express each of the following as a rational number 5^-¹ -7^-¹)^-¹​

Answer 1

Answer:

$( {5}^{ - 1} - {7}^{ - 1} ) {}^{ - 1} = ( \frac{1}{5} - \frac{1}{7} ) {}^{ - 1} = ( \frac{7 - 5}{35} ) {}^{ - 1} = \frac{35}{2}$

Answer 2

Answer:

I hope it will help u ❤️dear