If a^x = b^5y, then	Select
A) log a/b= x/y	B) log a/ log b = x/y	C) log a/ log b = 5y/x	D) log b/a = x/y	E) log b/a = y/x
a^x = b^5y =&gt; log a^x = log b^5y =&gt; x log a = 5y log b   =&gt; log a/ log b = 5y/x   ANSWER:log a/ log b = 5y/x
<result>C</result>
If a^x = b^5y, then