Question

plz solve this question it's urgent plz fast and step by step
answer is (x^2+y^2+xy) ( x^2+y^2-xy) book me answer diya hai
plz isko solve kr ke Itna answer laiye​

Answer 1

Answer:

(x - y) x + y) + 2xy

Step-by-step explanation :-

x⁴+y⁴+x²y²

= (x²+y²)² + (xy)²

= (x²-y²)² +2xy

= {(x²- (y)²} + 2xy

= (x + y) (x - y) + 2xy