Precalculus Examples

$\ln (y) = \ln (x) + \ln (c)$

Step 1

Simplify the right side.

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Step 1.1

Use the product property of logarithms, $\log_{b} (x) + \log_{b} (y) = \log_{b} (x y)$ .

$\ln (y) = \ln (x c)$

Step 2

For the equation to be equal, the argument of the logarithms on both sides of the equation must be equal.

$y = x c$