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Question

If f: XY is a function defined by f(x) = 2x2x, check whether the function is an odd function or even function.

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Solution

f(x) = 2x2 – x ...……….. (1)

f(-x) = 2(x)2 – (-x)

= 2x2+x ………….. (2)

From (1) and (2)

f(x) f(-x) and f(x) - f(-x).

Therefore the given function f(x) = 2x2x is neither an odd function nor an even function.


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