Math Chapter Wise Hyperbolic And Logarithmic Function Of A Complex Variable English MCQ UP TGT 2021 Q.For all () ∈ –1 x –1,1,tanh x is equal to A() 2 log x x 1 + + B() 2 log x – x 1 + C1 1 x log 2 1– x + D1 x 1 log 2 x –1 + Show answer Correct answer: 1 1 x log 2 1– x +