K Krupski69 New member Joined Apr 30, 2019 Messages 8 May 17, 2019 #1 I have answers to parts A and B. Would someone be able to give me a pointer as how to solve part C? Thanks.
I have answers to parts A and B. Would someone be able to give me a pointer as how to solve part C? Thanks.
MarkFL Super Moderator Staff member Joined Nov 24, 2012 Messages 3,021 May 17, 2019 #2 When you substitute \(f(x)\) and \(f''(x)\) into the given ODE, what do you get?
MarkFL Super Moderator Staff member Joined Nov 24, 2012 Messages 3,021 May 20, 2019 #3 To follow up...we find: [MATH]f''(x)=4^2\left(3\sinh(4x)-4\cosh(4x)\right)=16f(x)[/MATH] Hence: [MATH]a=16[/MATH]
To follow up...we find: [MATH]f''(x)=4^2\left(3\sinh(4x)-4\cosh(4x)\right)=16f(x)[/MATH] Hence: [MATH]a=16[/MATH]
