Question

express as positive exponent(1÷5–1÷7)‐¹​

Answer 1

Step-by-step explanation:

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

please mark my answer as brainlest ❤️