The order of the differential equation whose solution is y=a x+b … - Vidyadip

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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