then prove that a^3 + b^3 + c^3 – 3abc = -25.

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8. If a + b + c = 5 and ab + bc + ca = 10, then prove that a^3 + b^3 + c^3 – 3abc = -25.
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Jun
8. If a + b + c = 5 and ab + bc + ca = 10, then prove that a^3 + b^3 + c^3 – 3abc = -25. 8. If a + b + c = 5 and ab + bc + ca = 10 then prove that a^3 + b^3 + c^3 – [...]
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