Find the value of a2/bc + b2/ca + c2/ab.

If a + b + c = 0, then find the value of a2/bc + b2/ca + c2/ab.

Answer :

It is given that

a + b + c = 0

We can write it as

a3 + b3 + c3 – 3abc = 0

a3 + b3 + c3 = 3abc

Now dividing by abc on both sides

a3/abc + b3/abc + c3/abc = 3

By further calculation

a2/bc + b2/ac + c2/ab = 3

Therefore, the value of a2/bc + b2/ca + c2/ab is 3.

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