Aneyone please tell me
a²+b²+c²=?
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(a+b+c)^2=a^2+b^2+c^2+2ab +2bc+ 2ca
(a+ b+ c)-2(ab+ bc+ ca)=a^2+b^2+c^2
a^2+b^2+c^2=(a+b+c)^2 -2(ab+ bc +ca)
(a+ b+ c)-2(ab+ bc+ ca)=a^2+b^2+c^2
a^2+b^2+c^2=(a+b+c)^2 -2(ab+ bc +ca)
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=a^2+ ^2+c^2-2ab-2 bc-2 a is rheumatism answer
Plz mark it brainliest if it helps
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