Question

expand (3a/5+5b/3)²

with process please​

Answer 1

$\tt { \bigg( \frac{3a}{5} + \frac{5b}{3} \bigg)}^{2} \\ \\ \tt { \bigg( \frac{3a}{5} \bigg)}^{2} + {\bigg( \frac{5b}{3} \bigg)}^{2} + 2\bigg( \frac{3a}{5} \bigg)\bigg( \frac{5b}{3} \bigg) \\ \\ \sf \frac{ {9a}^{2} }{25} + \frac{ {25b}^{2} }{9} + 2ab$