Precalculus Examples

$\ln (49 y)$

Step 1

Rewrite $\ln (49 y)$ as $\ln (49) + \ln (y)$ .

$\ln (49) + \ln (y)$

Step 2

Simplify each term.

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Step 2.1

Rewrite $\ln (49)$ as $\ln (7^{2})$ .

$\ln (7^{2}) + \ln (y)$

Step 2.2

Expand $\ln (7^{2})$ by moving $2$ outside the logarithm.

$2 \ln (7) + \ln (y)$