1.

What is the solution of D.E (D2 – 2D)y = ex sin⁡x when solved using the method of undetermined coefficients?

A. \( y = c_1 + c_2 \,e^{2x} – \frac{e^x (xsin x + cos⁡x)}{2}\)
B. \(y = c_1 + c_2 \,e^{2x} – \frac{e^x sin x}{2}\)
C. \(y = c_1 + c_2 \,e^{2x} – \frac{e^x cos x}{2}\)
D. \(y = c_1 + c_2 \,e^{2x} – \frac{e^x (sin x + x cos⁡x)}{4}\)
Answer» C. \(y = c_1 + c_2 \,e^{2x} – \frac{e^x cos x}{2}\)


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