3 years ago

Factorise the following expressions :

Mathematics

2 answers:

bekas [8.4K]3 years ago

6 0

Answer:

(l² + 2m²)²

Step-by-step explanation:

l⁴ + 4l²m² + 4m⁴

=(l²)² + 2 x l² x 2m²+ (2m²)²

Now this is in the form of (a + b)² = a² + 2ab + b² so we get

= (l² + 2m²)²

sveta [45]3 years ago

5 0

Answer:

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>

factoring

<h3>tips and formulas:</h3>

(a+b)²=a²+2ab+b²

<h3>let's solve:</h3>

rewrite:(l²)²+2.l².2m²+(2m²)²
use the formula:(l²+2m²)²

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