A function whose graph is symmetrical about the y-axis is given by
Mathematics · JEE Main · NTA Exams — Sets, Relations and Functions
A function whose graph is symmetrical about the y-axis is given by
- \(f(x)=\log _{e}\left(x+\sqrt{x^{2}+1}\right)\)
- f (x + y) = f(x) + f (y) for all x, y ∈ R
- f (x) = cos x + sin x
- None of these
Answer
(D) None of these
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