Question

Factorise the following Xy^9-yx^9

Answer 1

xy(y^8 - x^8),

xy[(y⁴)²-(x⁴)²],

xy[(y⁴+x⁴)(y⁴-x⁴)],

xy(y⁴+x⁴) [(y²)²-(x²)²],

xy(y⁴+x⁴)[(y²+x²)(y²-x²)],

xy(y⁴+x⁴)(y²+x²)(y+x)(y-x),

for those who got the answer.....

Answer 2

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