Question

Factorise of x⁴+x²y²+y⁴​

Answer 1

Answer:

(x²+y²+xy)(x²+y²-xy)

Step-by-step explanation:

x⁴+x²y²+y⁴ =[( x²)²+(y²)²+2x²y²]-x²y²

=(x²+y²)²- (xy)²

=(x²+y²+xy)(x²+y²-xy)