edwardsjadrinae8322 edwardsjadrinae8322 23-04-2024 Mathematics Answered If a and b are positive real numbers such that a!=1,b!=1, and u is any positive real number, then the logarithmic expression log_(b)u is equivalent to which of the following? 1) log_(a)b 2) log_(u)b 3) log_(a)u 4) log_(u)a