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(x²y-yz²)²
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Answered by
3
Answer:
(x²y – yz²)²
= (xy²)² – 2 . x²y . yz² + (yz)²
= x⁴y² – 2x²y²z² + y²z⁴
Answered by
1
Answer:
x^4 y^2 + y^2 z^4 - 2 x^2 y^2 z^2
Step-by-step explanation:
(x^2 y - y z^2) ^2
by using (a - b) ^2 = a^2 + b^2 + 2ab (here a = x^2 y, b = y z^2) ;
(x^2 y) ^2 + (y z^2) ^2 - 2(x^2 y) (y z^2)
x^4 y^2 + y^2 z^4 - 2 x^2 y^2 z^2
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