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Popular >

simplify e^x*e^{-x}

Solution

simplify

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

Solution

1

Solution steps

e^{x} e^{- x}

Apply exponent rule:

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

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

= e^{x - x}

Add similar elements:

x - x = 0

= e^{0}

Apply rule

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

= 1

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\frac{2}{9} + \frac{1}{7} (\frac{2}{3})^{2}

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Frequently Asked Questions (FAQ)

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