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The differential equation of curve given...

The differential equation of curve given by `y = a cos ((n)/(x) + b)` (a,b are arbitrary constants)

A

`x^(2)y_(2) + 2xy_(1) + n^(2)y = 0`

B

`x^(3)y_(2) + 2x^(2)y_(1) + n^(2)xy = 0`

C

`x^(4)y_(2) + 2x^(3)y_(1) + n^(2)y = 0`

D

`x^(4)y_(2) + 2x^(3)y_(1) + n^(2)x^(2)y = 0`

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The correct Answer is:
C
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AAKASH SERIES-DIFFERENTIAL EQUATIONS-Exercise - II
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