Question

find the square of 3à/2 b -2 b/3 a​

Answer 1

Answer:

${ (\frac{3a}{2b} - \frac{2b}{3a} )}^{2} = { (\frac{9 {a}^{2} - 4 {b}^{2} }{6ab}) }^{2}$

hope it helps you.....

Answer 2

Step-by-step explanation:

${( \frac{3a}{2b} - \frac{2b}{3a} )}^{2} = { \frac{3a}{2b} }^{2} + { \frac{2b}{3a} }^{2} - 2 \times \frac{3a}{b2} \times \frac{2b}{3a} \\ = \frac{9 {a}^{2} }{4 {b}^{2} } + \frac{4 {b}^{2} }{9 {a}^{2} } - 2$