One Solution of the Differential Equation $y ^ { \prime \prime } + y ^ { \prime } = 0$

question 38

Multiple Choice

One solution of the differential equation $y ^ { \prime \prime } + y ^ { \prime } = 0$ is $y = \cos x$ . A second linearly independent solution is

• A) \(y = \cos x\)
• B) \(y = \sin x\)
• C) \(y = e ^ { x }\)
• D) \(y = e ^ { - x }\)
• E) \(y = x \cos x\)

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