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Question
Choose the correct alternative:
The function f : R → R is defined by f(x) = `((x^2 + cos x)(1 + x^4))/((x - sin x)(2x - x^3)) + "e"^(-|x|)` is
Options
an odd function
neither an odd function nor an even function
an even function
both odd function and even function
Solution
an even function
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