Math Chapter Wise Hyperbolic And Logarithmic Function Of A Complex Variable English MCQ UK SSSC LT 2020 Q.Which of the following option is correct? A2 3tan h x tan h3x 1 3tan h x = + B2 3tan h x tan h3x 1 3tan h x = − C3 2 3tan h x tan h x tan h3x 1 3tanh x − = − D3 2 3tan h x tanh x tan h3x 1 3tanh x + = + Show answer Correct answer: 3 2 3tan h x tanh x tan h3x 1 3tanh x + = +