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| 1. |
Which of the following pair of functions have the same graph ?A. `f(x) ln [1+{x}]` and `g(x) = ln(1+[{x}])`,B. `f(x) = 1/(1+tan^(2)x) + (1)(1+cot^(2)x)` and `g(x) = 2 sin^(2)x + cos2x`C. `f(x) = 2^(sgn)(x^(2)+3x+3)` and `g(x) = 2sgn(x^(2)+3x+3)`D. `f(x) = (sgnx)/(sgnx)` and `g(x) = (|x|)/(|x|)` |
| Answer» Correct Answer - A::C::D | |