Question

Factorise:m⁴+2m²n²+n⁴​

Answer 1

Answer:

(m^2+n^2)^2

Step-by-step explanation:

m^4+m^2n^2+m^2n^2+n^4

m^2(m^2+n^2)+n^2(m^2+n^2)

(m^2+n^2) (m^2+n^2)

(m^2+n^2)^2

Answer 2

Answer:

Step-by-step explanation:

(m^2+n^2)^2