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Popular >

simplify (e^{-r/a})^2

Solution

simplify

(e^{- \frac{r}{a}})^{2}

Solution

e^{- \frac{2 r}{a}}

Solution steps

(e^{- \frac{r}{a}})^{2}

Apply exponent rule:

(a^{b})^{c} = a^{b c}

= e^{(- \frac{r}{a}) \cdot 2}

Simplify

(- \frac{r}{a}) \cdot 2 : - \frac{2 r}{a}

= e^{- \frac{2 r}{a}}

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Frequently Asked Questions (FAQ)

What is (e^{-r/a})^2 ?
The solution to (e^{-r/a})^2 is e^{-(2r)/a}