Question

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Series in the int
o the periodic function​

Answer 1

Answer:

(2) Periodic functions can be explained from two perspectives. From the graph perspective, if its graph repeats after an unchanging period, we call it a periodic function. From the algebraic perspective, if f(x)=f(x+T)(T is an unchanging period, x can be any real numbers), then this function is periodic.

Step-by-step explanation:

Answer 2

Answer:

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