For real a,b and c, if a^2+b^2+c^2=ab+bc+ca then find the value of (a+b+c)^2
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Answer:(a+b+c)^2= a^2+b^2+c^2+2ab+2bc+2ca -----(1)
It is given that
a^2+b^2+c^2=ab+bc+ca
Using the above value in eq.1
=ab+ bc+ca+2ab+2bc+2ca
=3ab+3bc+3ca
Step-by-step explanation:
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