Question

a+b+c =10 a2+b2 +C2 =48 then find ab +bc+ca​

Answer 1

Step-by-step explanation:

{ a +b + c } ^2 = a^2 + b ^2 + c ^2 + 2{ab + bc + ca }

100= 48 + 2{ ab + bc +ca }

52/2 = ab + bc + ca

ab + bc + ca = 26