A Particular Solution of the Differential Equation $y ^ { \prime \prime } - 2 y ^ { \prime } + y = \cos x$

question 3

Multiple Choice

A particular solution of the differential equation $y ^ { \prime \prime } - 2 y ^ { \prime } + y = \cos x$ is

• A) \(y _ { p } = \cos x\)
• B) \(y _ { p } = \sin x\)
• C) \(y _ { p } = \sin x / 2\)
• D) \(y _ {p } = \cos x / 2\)
• E) \(y _ { p } = - \sin x / 2\)

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