If a+b+c =0 and a2+b2+c2 =16, find the value of ab + bc + ca.
Using idendity,
Given: a+b+c = 0 and a2 + b2 + c2 =16
Squaring the equation, a+b+c = 0 on both the sides, we get,
3
If a+b+c =0 and a2+b2+c2 =16, find the value of ab + bc + ca.
Using idendity,
Given: a+b+c = 0 and a2 + b2 + c2 =16
Squaring the equation, a+b+c = 0 on both the sides, we get,