If ab+bc+ca=36 and a2+b2+c2=85 then find a+b+c.

1.	If ab+bc+ca=36 and a2+b2+c2=85 then find a+b+c.
Answer» If $a b + b c + c a = 36$ and $a^{2} + b^{2} + c^{2} = 85$ then find $a + b + c$ .

Discussion