Let y=(A+Bx)e^(3x) is a Solution of the ...

Let `y=(A+Bx)e^(3x)` is a Solution of the differential equation `(d^(2)y)/(dx^(2))+m(dy)/(dx)+ny=-,m,n in I,` then

A

`m=-6`

B

`n=-6`

C

`m=9`

D

`n=9`

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The correct Answer is:

A,D

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