Question

Please give the correct answer for the question. Wrong answers or spam will be reported. Thanks in advance for the correct answer.

Answer 1

Answer:

Given ((3x/4) + (2y/9))²

According to the identity (a + b)2=a2+2ab+b2 we have to expand the given expression,

((3x/4) + (2y/9))²= (3x/4)²+2 (3x/4) (2y/9)+ (2y/9)²

((3x/4) + (2y/9))²= 9x2/16+ (1/3) xy + (4y ²/81)