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Popular >

simplify 2^x+2^{-x}

Solution

simplify

2^{x} + 2^{- x}

Solution

2^{x} + \frac{1}{2 ^{x}}

Solution steps

2^{x} + 2^{- x}

Apply exponent rule:

a^{- b} = \frac{1}{a ^{b}}

2^{- x} = \frac{1}{2 ^{x}}

= 2^{x} + \frac{1}{2 ^{x}}

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Frequently Asked Questions (FAQ)

What is 2^x+2^{-x} ?
The solution to 2^x+2^{-x} is 2^x+1/(2^x)