Question

find the answer if
a+b+c is not equal to 0​

Answer 1

Answer:

a^2 +b^2 +c^2 -(ab +bc +ac)

Step-by-step explanation:

so, simply in (a +b +c) {a^2 +b^2 +c^2 -(ab +bc +ac}

(a+ b+ c ) of denominator will be cancelled out by the (a+b+c) of numerator...

Hence, we get the remaining as answes..

I.e, a^2 +b^2 +c^2 -(ab +bc +ac)

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Answer 2

Answer:

we know, a^3+b^3+c^3-3abc=(a+b+c)(a^2+b^2+c^2-ab-bc-ca)

so, the question becomes,

(a+b+c)(a2+b2+c2-ab-bc-ca)/(a+b+c)

=a2+b2+c2-ab-bc-ca

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