Answers

2014-07-27T13:36:03+05:30
5log2+3/2log25+1/2log49-log28
=> 5log2+3/2log5²+1/2log7²-log(7*4)
=> 5log2+3log5+log7-(log7+log2²)          (loga²=2loga; log(a*b)=loga+logb)
=> 5log2+3log5-2log2
=> 3(log5+log2)
=> 3log10
=> 3
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