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Problems in Mathematical Analysis.pdf - pwp.net.ipl.pt

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Sec. 12] L<strong>in</strong>ear Differential Equations with Constant Coefficients_355<br />

3026. tf2y' 3y = x(l+e' x ).<br />

3027. y" 2y' = 3x + 2xe*.<br />

3028. */" 4y'+4y = xe* x .<br />

3029. y" + 2y' 3y = 2xe-'* + (x^ l)e*.<br />

3030*. y" + y = 2x cos x cos 2x.<br />

3031. t/' 2y = 2xe*(cosx s<strong>in</strong>x).<br />

Apply<strong>in</strong>g the method of variation of follow<strong>in</strong>g equations:<br />

parameters,<br />

3032. y" + y = ianx. 3036. < .<br />

3033. y" + y = cot x. 3037.<br />

3034. y" 2y' -(-*/ = -. 3038. a)

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