Question

find the square by using identities of question no.four

Answer 1

(3/2 x+2/3 y ) × (3/2 x+2/3 y )

we have to put here the formula a^2 +b^2 + 2×a×b


= (3/2 x )^2 +( 2/3 y )^2 + 2× 3/2 x ×2/3 y

= 9/4 x^2 + 4/9y^2 +2xy


it is your answer hope it helps you .