If the zeroes of the polynomial xcube -3xsquare +x-1 are s/t , s and st , then the value of s is

If the zeroes of the polynomial xcube -3xsquare +x-1 are s/t , s and s

1.	If the zeroes of the polynomial xcube -3xsquare +x-1 are s/t , s and st , then the value of s is
Answer» the required value of a is 1 and that of b is ±√2.