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Popular >

simplify x^4e^{-x}

Solution

simplify

x^{4} e^{- x}

Solution

\frac{x ^{4}}{e ^{x}}

Solution steps

x^{4} e^{- x}

Apply exponent rule:

a^{- b} = \frac{1}{a ^{b}}

= \frac{1}{e ^{x}} x^{4}

Multiply fractions:

a \cdot \frac{b}{c} = \frac{a \cdot b}{c}

= \frac{1 \cdot x ^{4}}{e ^{x}}

Multiply:

1 \cdot x^{4} = x^{4}

= \frac{x ^{4}}{e ^{x}}

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Frequently Asked Questions (FAQ)

What is x^4e^{-x} ?
The solution to x^4e^{-x} is (x^4)/(e^x)