Question 284540
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Use the base conversion formula:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ \log _b \left( x \right)\ =\ \frac{{\log _c \left( x \right)}}{{\log _c \left( b \right)}}]


So, for your first one:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ \log _4 \left( x \right)\ =\ \frac{{\ln \left( x \right)}}{{\ln \left( 4 \right)}}]



John
*[tex \LARGE e^{i\pi} + 1 = 0]
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