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Popular >

simplify 3^{x+2}+3^{-x}

Solution

simplify

3^{x + 2} + 3^{- x}

Solution

3^{x + 2} + \frac{1}{3 ^{x}}

Solution steps

3^{x + 2} + 3^{- x}

Apply exponent rule:

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

3^{- x} = \frac{1}{3 ^{x}}

= 3^{x + 2} + \frac{1}{3 ^{x}}

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Frequently Asked Questions (FAQ)

What is 3^{x+2}+3^{-x} ?
The solution to 3^{x+2}+3^{-x} is 3^{x+2}+1/(3^x)