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Which one of the following differential ...

Which one of the following differential equations has the general solution `y= ae^x + be^(-x)` ?

A

`(d^2y)/(dx^2) + y = 0`

B

`(d^2y)/(dx^2) - y = 0`

C

`(d^2y)/(dx^2) +y = 1`

D

`(dy)/(dx) - y = 0`

Text Solution

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The correct Answer is:
B
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