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Questions  

The period of the function f(x)=sinx is 

a
π
b
c
π2
d
None of these

detailed solution

Correct option is D

Let  f(T+x)=f(x)⇒sin⁡T+x=sin⁡x⇒T+x=nπ+(−1)nxClearly, from here, no positive value of T independent of x is possible because x on RHS can be cancelled only when T = 0.∴ f (x) is a non-periodic function.

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Which of the following functions is not periodic


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