Exponential and Logarithmic Functions - Solving Exponential Equations Using Substitution
Exponential and Logarithmic Functions - Solving Exponential Equations Using Substitution
By using an appropriate substitution, solve the equation \(0.2(2^x) + 0.8(2^{-x}) = 1\).
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Answer:\(x=2\) or \(x=0\)
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