Solve the differential equation with constant coefficients

[Fatima Hasan]

Homework Statement

Homework Equations

The Attempt at a Solution

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Is my answer correct?

 

[mjc123]

How do you get √56? Shouldn't it be (√52)/4 = (√13)/2?

 

[Fatima Hasan]

How do you get √56? Shouldn't it be (√52)/4 = (√13)/2?

Is it correct now ?

 

[mjc123]

Looks OK to me.

 

[Mark44]

View attachment 234491
Is it correct now ?

1. In the future, please post questions about differential equations in the Calculus & Beyond section. I will move the ones you have posted in the Precalc section.
2. You don't need to ask us to check your work for these kinds of problems. Just substitute your solution in the original diff. equation.