Factorize y4-2x2y2+x4
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y⁴-2x²y²+x⁴
=> (y²)²+(x²)²-2(x²)(y²)
=> ( y² - x² )²
=> (y+x)²(y-x)²
=> (y+x)(y+x)(y-x)(y-x) Ans
@:-)
y⁴-2x²y²+x⁴
=> (y²)²+(x²)²-2(x²)(y²)
=> ( y² - x² )²
=> (y+x)²(y-x)²
=> (y+x)(y+x)(y-x)(y-x) Ans
@:-)
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