(x2+y2)2−4x2y2+4(x2−y2)2
Can anyone please help ??? ✍✍
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(x2+y2)2−4x2y2+4(x2−y2)2
Can anyone please help ??? ✍✍
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Answer:
(3x2 - x2) ^ 2
Step-by-step explanation:
Let a = x2 + y2
Let b= x2 - y2
= a2 - 4ab + 4b2
= a2 - 2ab - 2ab + 4b2
= (a-2b)^2
Substituting the values of a and b
= (3y2 - x2) ^2