October 2018 1 98 Report
1. diketahui log 2= 0,3010,log 3= 0,4771 dan log 7=0,8451 tentukan
a. log 21
b. log 10,5
2. sederhanakan
a. ^{a}log \frac{a}{ \sqrt{x} } ^{a}log \sqrt{ax}
b. log \sqrt{a} + log \sqrt{b} -  \frac{1}{2} log ab
3. jika ^{2} log 3=a dan ^{3} log 5=b ,nyatakan bentuk berikut dalam a dan b!
a. ^{2} log 15
b. ^{25} log 36
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