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Order of a Differential Equation

The order of ...

Question

The order of differential equation whose general solution is $y = A cos x + B sin x + C$ is ______ where $A, B$ and $C$ arbitrary constants.

A

0

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B

1

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C

2

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D

3

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Solution

The correct option is D $3$
$y = A cos x + B sin x + C$
Since there are three unknowns $A, B$ and $C$ .
Hence, degree of differential equation is $3$ .

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