Question

l⁴ + 4l²m² + 4m⁴
Factorise

Answer 1

hey there!!

here is your answer

This can also be written as,

( l^2 )^2 + (2)(2m^2)(l^2) + (2m)^2

This is the formula for ( a + b )^2

= a^2 + 2ab + b^2

= ( l^2 + 2m^2 )^2

Hope my answer helps!

Answer 2

hello @


here is u r answer@

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( l ^ 2) ^2 + (2) (2 m^ 2) ( l^ 2) + ( 2 m )^ 2.

using formula

✔ a ^2 + 2 ab + b^ 2


= ( l ^ 2 + 2m ^ 2) ^2

I hope help u