What is the extreme f(x)=x^2e^{-6x} ?

The extreme f(x)=x^2e^{-6x} is Minimum(0,0),Maximum(1/3 , 1/(9e^2))

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extreme f(x)=x^2e^{-6x}

extreme points

f (x) = x^{2} e^{- 6 x}

Minimum (0, 0), Maximum (\frac{1}{3}, \frac{1}{9 e ^{2}})

Solution steps

f^{'} (x) = 2 e^{- 6 x} x (1 - 3 x)

Find intervals:

Decreasing

: - \infty < x < 0,

Increasing

: 0 < x < \frac{1}{3},

Decreasing

: \frac{1}{3} < x < \infty

Plug

x = 0

into

x^{2} e^{- 6 x} : 0

Minimum (0, 0)

Plug

x = \frac{1}{3}

into

x^{2} e^{- 6 x} : \frac{1}{9 e ^{2}}

Maximum (\frac{1}{3}, \frac{1}{9 e ^{2}})

Minimum (0, 0), Maximum (\frac{1}{3}, \frac{1}{9 e ^{2}})

f (x) = 3 x^{3} - 3 x^{2} - 3 x + 4

f (x) = 3 x^{3} - 3 x^{2} - 3 x + 5

f (x, y) = k x y^{2} + k x^{2} y + x y

y = 2 x^{3} + 3 x^{2} - 12 x + 5

f (x) = 4 x + 4 sin (x), 0 \leq x \leq 2 π

What is the extreme f(x)=x^2e^{-6x} ?
The extreme f(x)=x^2e^{-6x} is Minimum(0,0),Maximum(1/3 , 1/(9e^2))