1.

Find the value of\( \frac{1}{1^4} +\frac{1}{3^4} +\frac{1}{5^4} +\frac{1}{7^4} \) +….by finding the half range Fourier cosine series of the function f(x) = x in the interval 0

A. \(\frac{\pi^4}{12} \)
B. \(\frac{\pi^4}{48} \)
C. \(\frac{\pi^4}{24} \)
D. \(\frac{\pi^4}{96} \)
Answer» E.


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