Q .     Find the order of the differential equation whose general solution is given by `y = ( c_1 + c_2 ) cos( x + c_3 ) - c_4 e^(x+c_5)` where `c_1, c_2, c_3, c_4, c_5` are arbitrary constants

JEE 1998
A

`1`

B

`6`

C

`3`

D

`4`

HINT

Let, `c_1 + c_2 = A, c_3 = B, c_4 e^(c_5)=c`
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