Grade 119 grade maths
factorise x9 _ y9
factorise x9 _ y9
1 Answer
Vijay Mukati
Hint: Convert the given problem into (x3)3 – (y3)3 and then apply the formula for a3-b3 and simplify it. Finally you will get the result as (x-y)(x2+xy+y2)(x6+x3y3+y6).
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