If `a^2+b^2+c^2 = 25` and `a+b+c=7`, then find the value of `ab+bc+ca`.

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) A. 9a^(2) B. 81 a^(2) C. 27 a^(2) D. 24 a^(2)

If a^(2)+b^(2)+c^(2)=16 and ab+bc+ca=10 find the value of a+b+c

If a^(2)+b^(2)+c^(2)=19 and ab+bc+ca=3 Find the value of a+b+c

If a + b + c = 6 and ab+bc+ca= 12. find the value of a^2+b^2+c^2

If a+b+c=1 , ab+bc+ca=-2 and abc=1 then find the value of a^4+b^4+c^4

If a^(2)+b^(2)+c^(2)=24 and ab+bc+ca=-4, then find a+b+c

if a^(2)+b^(2)+c^(2)=20 and a+b+c=0 then find ab+bc+ca