Question

if a+b+c=0 then find a²+b²+c²​

Answer 1

Step-by-step explanation:

if a+b+C=0

Then,

a=0

b=0

C=0

so, a2+b2+ c2= 0+0+0

=0

hope it helps

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Answer 2

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Given:-

a+b+c=0

To find:-

a²+b²+c²

Solution:-

a+b+c=0 ( square both side)

(a+b+c) ²=(0)²

a²+b²+c²+2(ab+bc+ca)=0

a²+b²+c²=-2(ab+bc+ca)