Answers

2014-10-24T12:00:22+05:30
The question should be:
Factorise:  a^{3} - 8b^{3} - 64c^{3} -24abc
(a)^{3} + (-2b)^{3} + (-4c)^{3} - 24abc
(a - 2b - 4c) (a^{2} + 4b^{2} + 16c^{2} + 2ab - 8bc +4ac)
Used identity : x³ + y³ + z³ - 3xyz = (x + y + z)(x² + y² + z² - xy - yz - zx)
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