Mathematics, 31.08.2020 19:01 kimmy6973
Factorise: (a) 3x2 + 27y2 + z2 - 18xy + 6 β3yz -2 β3zx (b) 27 x3 + 125y3 (c) (2a β 3b + c )2
(d) 1 a3 + b3 + 125 c3 - 15 a b c (e) [x β 1/x y]3 (f) x4 y4 β x y
64^4
(g) 8x3 β (2x β y)3 (h) a6 _ b6
Answer please
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Factorise: (a) 3x2 + 27y2 + z2 - 18xy + 6 β3yz -2 β3zx (b) 27 x3 + 125y3 (c) (2a β 3b + c )2
(d) 1...
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