Question

$ab + bc + ca = 36 \\ {a}^{2} + {b}^{2} + {c}^{2} = 85 \\find (a + b + c) \\ \\ factorise {a}^{3} {(b - c)}^{3} + {b}^{3} {(c - a)}^{3} + {c}^{3} {(a - b)}^{3}$

Answer 1

Hi...dear... here is your answer....

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Answer 2

Hi this may help you