Math Chapter Wise Exponential And Logarithmic Series English MCQ TGT 2010 Q.Sum of 1 1 1 1.2.3 3.4.5 5.6.7 + + + +.....+ ∞ ∞ ∞ is A1 log 2 2 e − B1 log 2 2 e + Clog 2/e DNone of these Show answer Correct answer: 1 log 2 2 e −