If a,b,c are in A.P., then prove that :  {a}^{2}(b + c) + {b}^{2}(c + a) + {c}^{2}(a + b) = \frac{2}{9}{(a + b + c)}^{3}

Question

If a,b,c are in A.P., then prove that :
 {a}^{2}(b + c) +  {b}^{2}(c + a) +  {c}^{2}(a + b) =  \frac{2}{9}{(a + b + c)}^{3}

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Jasmine 1 month 2021-09-22T21:36:36+00:00 1 Answer 0 views 0

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    2021-09-22T21:37:48+00:00

    Answer:

    answer is 89

    I hope this will help you

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