IF a2+b2+c2=250 and ab+bc+ca=3, find a + b +c.

1.	IF a2+b2+c2=250 and ab+bc+ca=3, find a + b +c.
Answer» IF $a^{2} + b^{2} + c^{2} = 250$ and $a b + b c + c a = 3,$ find a + b +c.

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