Question 1 Report
Calculate the logarithm to base 9 of 3-4 * 92 * (81)-1
Answer Details
3−4×92×81−1=log9(3−4×92×81−1)=log9(134×92×181)=log9(181×811×181)=log9181=log9192=log99−2=−2log99−2×1=−2