Question

factorise x^4+36x^2y^2+1296y^4​

Answer 1

Answer:

(x+18y)^2

Step-by-step explanation:

Using the formulae, a^2+b^2=a^2 +2ab+b^2

We get,

=(x^2)^2 +2(x^2)(18y^2)+(18y^2)^2

=(x+18y)(x+18y)

=(x+18y)^2