6. Find the general solution of the following differential equation using variation of parameters. y" +2y' + 2y = et sin (1) ; te (0, π)

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Q: A: Find Fourier Series of the Function: -K f(x) = {- K -HAX<0 0<x<*

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Q: 9. sin cot x. xo a

A: According to our guide we can attempt only one question so i am providing answer for 1st question .

Q: Q1: A. Determine is the following series converged or not and find sum of it 3 3 3+-+ +. 4 16

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Q: Q3/ A: Find General Solutions for the following Differential Equations (Use Differential Operators).…

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