Question

If x + y + z =10 and xy + yz + zx = 24, find the value of x2 + y2 + z2 .

Answer 1

Answer:

(x+y+z)^2=x^2+y^2+z^2+2xy+2yz+2zx

Step-by-step explanation:

putting the values

10^2=x^2+y^2+z^2+2(24)

100=x^2+y^2+z^2+48

100-48=x^2+y^2+z^2

52=x^2+z^2+y^2