. Factorise : (x15 - 64y3)
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Answer:
According to the question (x^5 + 4y) • [ ( x^10 ) - (4x^5)y + (16y^2) ]
Step-by-step explanation:
(x15 - 64y3)
= (x^15) + (2^6 * y^3)
= (x^5)^3 + (4y)^3
= (x^5 + 4y) • [ ( x^10 ) - (4x^5)y + (16y^2) ] [ as we know (a^3 + b^3) = (a+b) • (a^2-ab+b^2)]
So, the correct answer is (x^5 + 4y) • [ ( x^10 ) - (4x^5)y + (16y^2) ]
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