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Popular >

simplify e^{-y}*e^y

Solution

simplify

e^{- y} \cdot e^{y}

Solution

1

Solution steps

e^{- y} e^{y}

Apply exponent rule:

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

e^{- y} e^{y} = e^{- y + y}

= e^{- y + y}

Add similar elements:

- y + y = 0

= e^{0}

Apply rule

a^{0} = 1, a \neq = 0

= 1

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Frequently Asked Questions (FAQ)

What is e^{-y}*e^y ?
The solution to e^{-y}*e^y is 1