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Instructions for forms of answers in differential equation problems: For second order DEs, the roots of the characteristic equation may be real or complex. If the roots are real, the complementary solution is the weighted sum of real exponentials. Use C1 and C2 for the weights, where C1 is associated with the root with smaller magnitude. If the roots are complex, the complementary solution is the weighted sum of complex conjugate exponentials, which can be written as a constant times a decaying exponential times a cosine with phase. Use C1 for the constant and Phi for the phase. (Note: Some equations in the text give the constant multiplying the decaying exponential as 2C1. This was done for the derivation. The constant for this problem should be C1 alone.) All numerical angles(phases) should be given in radian angles (not degrees). Given the differential equation y" + 10y + 26y = 9cos(5t + 1.5708)u(t). a. Write the functional form of the complementary solution, y.(t), Ye(t) = help (formulas) b. Find the particular solution, y,(t). Yp(t) = help (formulas) c. Find the total solution, y(t) for the initial condition v(0) - 11 and v (O) - 2

Instructions for forms of answers in differential equation problems: For second order DEs, the roots of the characteristic equation may be real or complex. If the roots are real, the complementary solution is the weighted sum of real exponentials. Use C1 and C2 for the weights, where C1 is associated with the root with smaller magnitude. If the roots are complex, the complementary solution is the weighted sum of complex conjugate exponentials, which can be written as a constant times a decaying exponential times a cosine with phase. Use C1 for the constant and Phi for the phase. (Note: Some equations in the text give the constant multiplying the decaying exponential as 2C1. This was done for the derivation. The constant for this problem should be C1 alone.) All numerical angles(phases) should be given in radian angles (not degrees). Given the differential equation y" + 10y + 26y = 9cos(5t + 1.5708)u(t). a. Write the functional form of the complementary solution, y.(t), Ye(t) = help (formulas) b. Find the particular solution, y,(t). Yp(t) = help (formulas) c. Find the total solution, y(t) for the initial condition v(0) - 11 and v (O) - 2

Algebra for College Students
Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter8: Functions
Section8.7: Direct And Inverse Variation
Problem 39PS
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Instructions for forms of answers in differential equation problems: For second order DEs, the roots of the characteristic equation may be real or complex. If the roots are real, the complementary solution is the weighted sum of real exponentials. Use C1 and C2 for the weights, where C1 is associated with the root with smaller magnitude. If the roots are complex, the complementary solution is the weighted sum of complex conjugate exponentials, which can be written as a constant times a decaying exponential times a cosine with phase. Use C1 for the constant and Phi for the phase. (Note: Some equations in the text give the constant multiplying the decaying exponential as 2C1. This was done for the derivation. The constant for this problem should be C1 alone.) All numerical angles(phases) should be given in radian angles (not degrees). Given the differential equation y" + 10y + 26y = 9cos(5t + 1.5708)u(t). a. Write the functional form of the complementary solution, y.(t), Ye(t) = help (formulas) b. Find the particular solution, y,(t). Yp(t) = help (formulas) c. Find the total solution, y(t) for the initial condition y(0) y(t) : = 11 and y (0) = 2. %3D help (formulas)
Transcribed Image Text:Instructions for forms of answers in differential equation problems: For second order DEs, the roots of the characteristic equation may be real or complex. If the roots are real, the complementary solution is the weighted sum of real exponentials. Use C1 and C2 for the weights, where C1 is associated with the root with smaller magnitude. If the roots are complex, the complementary solution is the weighted sum of complex conjugate exponentials, which can be written as a constant times a decaying exponential times a cosine with phase. Use C1 for the constant and Phi for the phase. (Note: Some equations in the text give the constant multiplying the decaying exponential as 2C1. This was done for the derivation. The constant for this problem should be C1 alone.) All numerical angles(phases) should be given in radian angles (not degrees). Given the differential equation y" + 10y + 26y = 9cos(5t + 1.5708)u(t). a. Write the functional form of the complementary solution, y.(t), Ye(t) = help (formulas) b. Find the particular solution, y,(t). Yp(t) = help (formulas) c. Find the total solution, y(t) for the initial condition y(0) y(t) : = 11 and y (0) = 2. %3D help (formulas)
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