Simplify the following
(i) (x2- y2)2 + 4x2y2
Answers
Answered by
29
Answer:x4+y4+2x2y2
Step-by- step explanation:(x^2)^2-2x^2y^2+(y^2)^2+4x^2y^2
=X^4+y^4+2x^2y^2
Answered by
37
Answer:
(x^2+y^2)^2
Step-by-step explanation:
(x^2-y^2)^2 +4x^2y^2
=>x^4+y^4 -2x^2y^2 + 4x^2y^2
=>x^4 + y^4 + 2x^2 y^2
=>(x^2+y^2)^2
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