Question

Simplify: i) (3/7)^(-2) X (7/6)^(-3)​

Answer 1

$( \frac{3}{7} ) {}^{ - 2} \times ( \frac{7}{6} ) {}^{ - 3} \\ = ( \frac{7}{3} ) {}^{2} \times ( \frac{6}{7} ) {}^{3} \\ = \frac{7}{3} \times \frac{7}{3} \times \frac{6}{7} \times \frac{6}{7} \times \frac{6}{7} \\ = \frac{24}{7} (ans)$