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Solve : (D2 – 6D + 25) y = 0 |
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Answer» The auxiliary equations is m2 – 6m + 25 = 0 \(m = {-6 \pm \sqrt{36-100} \over 2}\) = (6 \(\pm\) 8i)/2 = 3 \(\pm\)4i The Roots are complex and of the form, α ± β with α = 3 and β = 4 The complementary function = e3x (A cos 4x + B sin 4x) The general solution is y = e3x (A cos 4x + B sin 4x) |
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