Can you please Factorise x^9 - y^9
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x^9-y^9
=( x³)³-(y³)³
we know that
x3 - y3 = (x - y)(x^2 + xy + y^2)
(x³-y³)[(x³)²+x³*y³+(y³)²]
= x³-y³(x^6+y^6+x³y³)
= (x - y)(x^2 + xy + y^2) (x^6+y^6+x³y³)
hope helped !
=( x³)³-(y³)³
we know that
x3 - y3 = (x - y)(x^2 + xy + y^2)
(x³-y³)[(x³)²+x³*y³+(y³)²]
= x³-y³(x^6+y^6+x³y³)
= (x - y)(x^2 + xy + y^2) (x^6+y^6+x³y³)
hope helped !
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