Question

(3/7a - 11/13b)² =?​

Answer 1

Step-by-step explanation:

(3/7a- 11/13b)

=> (3/7a)^2 - 2(3/7a)(11/13b) + (11/13b)^2

=> 9/49a^2 - 66/91ab + 121/169b^2

Answer 2

I am doing well dear

Thanks for asking