29 April 2016
Formula : log ab = log a + log b . log a power n = nloga 1. log 60 = log 20*3 = log 20+log3=log 4*5+log3=log4+log5+log3= 2log2+log5+log3 2.log40=log8*5=log8+log5=log 2 power 3+log5= 3log2+log5
30 April 2016
Mostly they will give log values in exam. If they didn't gave means you have to work out. But usually they will not check your mathematics knowledge. Need not worry at all. Go a head with your preparation.