Tentukan titik stasioner dari fungsi f(x)=6x^4-x^6

F(x) = 6x^4 – x^6
f'(x) = 24x³ – 6x^5 = 0
4x³ – x^5 = 0
x³(4 – x²) = 0

x = 0
x = -2
x = 2

f(-2) = 6(-2)^4 – (-2)^6 = 6.16 – 64 = 96-64 = 32
f(0) = 0
f(2) = 32 (sama kyk f(-2), karena pangkat genap)

Titik stasioner : (-2,32),(0,0),(2,32)