Question

Find the square of( 2/3m+3/2n)^2

Answer 1

Hello, 
In the question we have 2 terms 
On squaring we will get the formulae of (a+b) ²

So, (2/3m + 3/2n)²
We know that (a+b) ² = a² +b² +2ab
So,
(2/3m+3/2n)² = (2/3m)² + (3/2n)² + 2(2/3m)(3/2n)
= 4/9m² + 9/4n² + 2mn

Hope this will be helping you. 

Answer 2

2/3×2/3+2×2/3×3/2+3/2×3/2
4/9m+2+9/4n