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Factorise: (a – b)3 + (b – c)3 + (c – a)3 |
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Answer» -STEP EXPLANATION:[a³-b³-3ab(a-b)] + [b³-c³-3BC(b-c)] +[c³-a³-3AC(c-a)] [a³-b³-3a²b+3ab²] + [b³-c³-3b²c+3bc²] + [c³-a³-3a²c+3ac²]bracket openeda³ - b³ - 3a²b + 3ab² + b³ - c³ - 3b²c + 3bc² + c³ - a³ - 3a²c + 3ac²3ab² - 3a²b - 3b²c + 3bc² - 3a²c + 3ac²3ab(b-a) - 3bc(b-c) - 3ac(a-c)3[ab(b-a) - bc(b-c) - ac(a-c)]. |
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