Question

If x3-4x+1=0 ,then find x3+1/x3

Answer 1

Any-step explanation:

3x-4x+1=0

-1x + 1 = 0

-1x = -1

X = -1/-1, x=1

3x+1/ 3x

Put the value of x which is 1

3(1)+1/3(1)

3+1/3

4/3 ans