For the function f(x)=x4−2x2+5f(x) = x^4 - 2x^2 + 5f(x)=x4−2x2+5, find the points where f′(x)=0f'(x) = 0f′(x)=0.
x=0,1,−1x = 0, 1, -1x=0,1,−1
x=0,2,−2x = 0, 2, -2x=0,2,−2
x=1,−1x = 1, -1x=1,−1
x=0x = 0x=0