कैसे हल करें over the Q. No. 5: Answer ANY Three of the following: (3 * 4 = 12) a. Find the Fourier series expansion for the function f(x) = x ^ 2 interval (- pi, pi) and f(x + 2pi) = f(x) Also, show that (pi ^ 2)/12 - 1 - 1/4 + 1/9 - 1/16 + h Find the Fourier with the period 3 of the function

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1. Factor the equation (x + 2)(x + 3) = 0. 2. Set each factor equal to zero: x + 2 = 0 and x + 3 = 0. 3. Solve for x: x = -2 and x = -3.

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