Find all excluded values of xx3−x\dfrac{x}{x^3 - x}x3−xx.
x=0,1,−1x = 0, 1, -1x=0,1,−1
x=1,−1x = 1, -1x=1,−1 only
x=0x = 0x=0 only
x=0,1x = 0, 1x=0,1