Given , what is the expression for ?

I need it to solve a second order differential equation.

I get , but when i tried to differentiate the expression i am stuck at d/dx (dy/dt), help me out please.

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- February 3rd 2009, 06:51 AM #1
## If x=e^t, what is d^2 y/dx^2 ?

Given , what is the expression for ?

I need it to solve a second order differential equation.

I get , but when i tried to differentiate the expression i am stuck at d/dx (dy/dt), help me out please.

- February 3rd 2009, 07:11 AM #2

- February 3rd 2009, 07:32 AM #3