S Chand ICSE Mathematics Class 9 Solution Seventh Chapter Logarithms Exercise 7B (1) Express each sum or difference as a single logarithm. (i) log 6 + log 5 = log (6 x 5) = log30 (ii) log 12 – log 2 = log (12/2) = log6 (iii) log3 5 + log3 2 + log3 4 […]