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- 13. Let y(x) be the solution to the initial value problem y′′ − 10y′ + 25y = 0, y(0) = 1, y′(0) = 3.Then y(1) = ? A. −e^5 B. 1 C. e^5 D. 4/5 e^5 + 1/5 e^−5 E. e^−5arrow_forwardQuestion 1 (Implicit differentiation). Use implicit differentiation to find Əz/Əx and Əz/ǝy. (a) x²+2y²+3z² 1 (b) ez = xyz (c) x2. y²+ z² − 2z = 4 (d) yz+xln(y) = z²arrow_forward4. The general solution of the differential equation y′′ + 2y′ + 5y = 0 isA. c1 + c2x B. c1 cos 2x + c2 sin 2x C. c1e^x cos 2x + c2e^x sin 2xD. c1e^−x cos 2x + c2e^−x sin 2x E. None of these.arrow_forward
- 3. The general solution of the differential equation y′′ + 2y′ + y = 0 isA. c1e^−x + c2e^−x B. c1e^−x + c2e^x C. c1e^−x + c2xe^−xD. c1 cos x + c2 sin x E. c1e^−xarrow_forward1. A solution to the differential equation y′′ + 4y′ + 13y = 0 isA. y(t) = e^2t cos 3t B. y(t) = te^2t cos 3t C. y(t) = e^−2t sin 3t D. None of thesearrow_forward2. The appropriate guess for the particular solution to the differential equationy′′ + 3y′ + 2y = 2x + 3e^−x isA. A + Bx + Ce^−x B. A + Bx + Cxe^−x C. Ax + Bx^2 + Ce−^x D. Ax + Bx^2 + Cxe^−xarrow_forward
- 23. Network Analysis The figure shows the flow of traffic (in vehicles per hour) through a network of streets. 200 100- -100 200 (a) Solve this system for i = 1, 2, 3, 4. (b) Find the traffic flow when x = 0. (c) Find the traffic flow when x = 100. (d) Find the traffic flow when x, = 2x₂.arrow_forward2\int_{-3/2}^{3/2} \sqrt{4u^2+2} duarrow_forward2. Consider the following: Prove that x, x2, and 1/x are the solutions to the homogeneous equation corresponding to x³y"" + x²y" + 2xy' + 2y = 2x4. b. use variation of parameters to find a particular solution and complete the general solution to the differential equation. I am interested in process. You may use a computer for integration, finding determinants and doing Kramer's.arrow_forward
- 3. A spring is stretched 6 in. by a mass that weighs 8 lb. The mass is attached to a dashpot mechanism that has a damping constant of 0.25 lb-sec./ft. and is acted on by an external force of 4 cos 2t lb. a. Set-up the differential equation and initial value problem for the system. b. Write the function in phase-amplitude form. C. Determine the transient solution to the system. Show your work. d. Determine the steady state of this system. Show your work. e. Is the system underdamped, overdamped or critically damped? Explain what this means for the system.arrow_forward4. Suppose that you have a circuit with a resistance of 20, inductance of 14 H and a capacitance of 11 F. An EMF with equation of E(t) = 6 cos 4t supplies a continuous charge 60 to the circuit. Suppose that the q(0)= 8 V and the q'(0)=7. Use this information to answer the following questions a. Find the function that models the charge of this circuit. b. Is the circuit underdamped, overdamped or critically damped?arrow_forward1. Solve the initial value problem: y" -11y' + 30y = x³e6x y(0) 11, y'(0) = 36 =arrow_forward
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