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fR R, $f\left(x\right)=x^{2},-\pi \leq x\leq \pi $ and $\left(x+2\pi \right)=f\left(x\right)$ VrER. Ifthe fourier series of f(x) is represented as S $x\right)=\sum $ a, cos nx, then a
10th-13th grade
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Qanda teacher - pankajjee
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is it clear dear ??
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