Q-8 Factorise the following
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V) 8a3-27b3 =(2a)3-(3b)3
Identity a3-b3=(a-b) (a2 + ab. + b2)
= (2a-3b) ((2a)2 +(2a)(3b) +(3b)2))
=(2a-3b) (4a2 + 6ab +9b2)
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