Question

Simplify using suitable identities: (2m-3n)2 + (2m+3n)2

Answer 1

Step-by-step explanation:

take common 2 from equation

2 { (2m - 3n) (2m+3n) }

we know that (a^2-b^2 ) = (a+b) (a-b)

2 { (2m)^2 - (3n)^2)}

2(4m^2 - 9n^2 )

8m^2 - 9n^2

i hope this answer helps you