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At x = 0 the function text f left( text x...

This question belongs to Engineering Maths Calculus
Calculus
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At x = 0, the function $${\text{f}}\left( {\text{x}} \right) = \left| {\sin \frac{{2\pi {\text{x}}}}{{\text{L}}}} \right|$$   ,  (-$$\infty $$ < x < $$\infty $$, L > 0) is

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Correct Answer: Option D
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