Question

(5/7)^-2 × (5/7)^4 ÷ (5/7)^3

Answer 1

Answer:

$( \frac{5}{7} ) {}^{ - 2} \times ( \frac{5}{7} ) {}^{4} \div ( \frac{5}{7} ) {}^{3} \\ = ( \frac{7}{5} ) {}^{2} \times ( \frac{5}{7} ) {}^{4} \times ( \frac{7}{5} ) {}^{3} \\ = ( \frac{7}{5} ) {}^{5} \times ( \frac{5}{7} ) {}^{3} \\ = (\frac{7}{5} ) {}^{2} = \frac{49}{25} \: \: ans$

Hey! Mate Here is your solution. Thanks