Q. 385.0( 3 Votes )

The differential equation for where A and B are arbitrary constants is
A.

B.

C.

D.

Answer :

Let us find the differential equation by differentiating y with respect to x twice


Why twice because we have to eliminate two constants A and B


y = A cos αx + B sin αx


Differentiating



Differentiating again




But y = A cos αx + B sin αx



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