turkey-yks 2010 Q29

turkey-yks · Other · lys1-math Laws of Logarithms Simplify or Evaluate a Logarithmic Expression
For positive real numbers $a$, $b$, $c$ different from 1, $$\log_{a} b = \frac{1}{2}, \quad \log_{a} c = 3$$ Given this, what is the value of the expression $\log_{b}\left(\frac{b^{2}}{c\sqrt{a}}\right)$?
A) $\frac{3}{2}$
B) $\frac{5}{2}$
C) $\frac{5}{3}$
D) $-6$
E) $-5$
For positive real numbers $a$, $b$, $c$ different from 1,
$$\log_{a} b = \frac{1}{2}, \quad \log_{a} c = 3$$
Given this, what is the value of the expression $\log_{b}\left(\frac{b^{2}}{c\sqrt{a}}\right)$?

A) $\frac{3}{2}$\\
B) $\frac{5}{2}$\\
C) $\frac{5}{3}$\\
D) $-6$\\
E) $-5$