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Differential Equations — Maths STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceMathsDifferential Equations1 Mark
MCQ
The order of the differential equation whose solution is $y=a \cos x+b \sin x+c e^{-x}$ is
  • ✓
    3
  • B
    2
  • C
    1
  • D
    none of these
✓

Answer

Correct option: A.
3
(a): $y=a \cos x+b \sin x+c e^{-x}$
It is a third order differential equation, as it contains three arbitrary constants.

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