Question

If x+y+z=1, xy+yz+zx=-1 and xyz=-1, find the value of x³+y³+z³

Answer 1

Answer:

Step-by-step explanation:

Don't use any other equation

We know :

x^3 + y^3 + z^3 = 3xyz

So putting value of xyz that is - 1

So

x^3 + y^3 + z^3 = 3(-1)

= - 3