Question

If x+y+z=10,x2+y2+z2=30,then the value of x3+y3+z3-3xyz will be

Answer 1

Step-by-step explanation:

if x+y+z=10

x^2+y^2+z^2=30

x^3+y^3+z^3-3xyz=(x+y+z)(x2+y2+z2)

(10)(30)

x3+y3+z3-3xyz=300