Log a 2 + log a 2 / 1 log3 18-log3 2 2log5 25-3log2 64 Given LG2 = a, Lg3 = B, find the values of the following formulas 1.lg6 2.log3 4 3.log2 12 4.lg2 3 / 2 Given the logarithm of X, find X 1.lgx=lga+lgb 2.loga x=loga m-loga n 3. Lgx = 31gn LGM 4. Loga x = 1 / 2 loga b-loga C I'm sorry for the last question 2log5 10+log5 0.25

Log a 2 + log a 2 / 1 log3 18-log3 2 2log5 25-3log2 64 Given LG2 = a, Lg3 = B, find the values of the following formulas 1.lg6 2.log3 4 3.log2 12 4.lg2 3 / 2 Given the logarithm of X, find X 1.lgx=lga+lgb 2.loga x=loga m-loga n 3. Lgx = 31gn LGM 4. Loga x = 1 / 2 loga b-loga C I'm sorry for the last question 2log5 10+log5 0.25

Log a 2 + log a 1 / 2 = log a (2 × 1 / 2) = log a 1 = 0 log 3 18-log 3 2 = log 3 (18 ／ 2) = log 3 9 = log 3 3 ^ 2 = 2log 3 3 = 22log 5 25-3log 2 64 = 2lg25 / lg5-3lg 64 / LG2 = 2lg5 ^ 2 / lg5-3lg 2 ^ 6 / LG2 = 2 × 2lg5 / lg5-3 × 6lg 2 / LG2 = 4-18 = - 14 known LG 2 = a LG 3