Question

factorise m to the power 4 + 2 m square and m square + n to the power 4​ help plz​

Answer 1

Step-by-step explanation:

m⁴+2m²n²+n⁴

= (m²)²+2×m²×n²+(n²)²

= (m²+n²)²

We have used the identity,

(a+b)² = a²+2ab+b²

Here m² = a & n² = b.