Factorise 729x^3+512y^3
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Step-by-step explanation:
729 x3 + 512 y3
= ( 9x)3 + (8y)3
=(9x - 8y) {(9y) 2 + (9x*8y) + (8y) 2}
= (9x-8y)( 81x2 + 72xy + 64 y2)
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