5. Which of the following differential equation(s) is/are applicable for the method of undetermined coeffi- cients? I. y" – 4y" + y' = x=le2# + cos e - II. y" – 2xy" +x²y = x sin x + x2 - II. у — 2у" + 3у" — т-1е2т sin x A) Only I В) II and III C) Only III D) only II E)None of them

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
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5. Which of the following differential equation(s) is/are applicable for the method of undetermined coeffi-
cients?
I. y" – 4y" + y' = x=le2« + cos a
II. y" – 2.xy" +x²y = x sin x + x2
III. y4 – 2y" + 3y" = n-le2" sin æ
A) Only I
B) II and III
C) Only III
D) only II
E)None of them
Transcribed Image Text:5. Which of the following differential equation(s) is/are applicable for the method of undetermined coeffi- cients? I. y" – 4y" + y' = x=le2« + cos a II. y" – 2.xy" +x²y = x sin x + x2 III. y4 – 2y" + 3y" = n-le2" sin æ A) Only I B) II and III C) Only III D) only II E)None of them
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