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Draw the graph of `f(x) =cot^(-1)((2-|x|)/(2+|x|))`.A. `f(x)` is bijectiveB. `f(x)` is continuous and differentiable in `(-2,2)`C. `f(x)` is even functionD. `underset(xto(2)/(sqrt(3)))(lim)f(x)=(5pi)/(12)` |
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Answer» Correct Answer - B::C::D `f(x)=(pi)/(2)-tan^(-1)((1-(|x|)/(2))/(1+(|x|)/(2)))=(pi)/(4)+tan^(-1)((|x|)/(2))` |
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