Question

If a+b+c=12, ab+bc+ca=37 and a^2+b^2+c^2=70 then find the value of a,b and c

Answer 1

Answer:

74

Step-by-step explanation:

(a + b + c)^2 = a2 + b2 + c2 + 2( ab + bc + ca )

12 square = a2 + b2 + c2 + 74

144 - 74 = a^2 + b ^2 + c^2

74..