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A periodic function y lxl for-r ? is shown below. x -? (1) Is this function even or odd or neither? (2) Calculate the Fourier series coefficients. Hint: Use integration by parts. . + ?4, cos(nox) + bn sin(nox) 2 ] ,f (x)- 21 where a,-J()cos(noxi, )innoxy
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,。 34 İ. an even tunchon . (n) -Σ.ranCos(nux) t.bnSm(nuo 2na - 2 I2 .a 2 Cos (nz).dg Sin (nx)dx tnr) So 2 h1 n nse- (anti) スS

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