Question

(l+2n+?)^2+(l-2n+m)^2
simplify it pls​

Answer 1

Step-by-step explanation:

Given expession: l

2

m

2

n−lm

2

n

2

l

2

mn

2

taking l

2

m

2

n common from the expression

⇒l

2

m

2

n(1−lmn

3

)

the given expression can be factorised as l

2

m

2

n(1−lmn

3

)