Question

plz solve it fast it's urgent ​

Answer 1

Answer:

a^2 /4 +ab/3 +b^2/9.........

Answer 2

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

I hope this help u mate