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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