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Popular >

simplify xe^{-x}*e^{-x}

Solution

simplify

x e^{- x} \cdot e^{- x}

Solution

e^{- 2 x} x

Solution steps

x e^{- x} e^{- x}

Apply exponent rule:

a^{b} \cdot a^{c} = a^{b + c}

e^{- x} e^{- x} = e^{- x - x}

= x e^{- x - x}

Add similar elements:

- x - x = - 2 x

= x e^{- 2 x}

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Frequently Asked Questions (FAQ)

What is xe^{-x}*e^{-x} ?
The solution to xe^{-x}*e^{-x} is e^{-2x}x