cscott Messages 778 Reaction score 1 Thread starter Apr 23, 2006 #1 How can I integrate an expression with constant variables like needed when solving [itex]m\frac{dv}{dt} = mg[/itex] but assuming I don't know its value?
How can I integrate an expression with constant variables like needed when solving [itex]m\frac{dv}{dt} = mg[/itex] but assuming I don't know its value?
dav2008 Gold Member Messages 589 Reaction score 1 Apr 23, 2006 #2 Just type any constants in as letters. (Make sure you don't have any values stored to those letters first)
Just type any constants in as letters. (Make sure you don't have any values stored to those letters first)
cscott Messages 778 Reaction score 1 Apr 23, 2006 #3 I don't think it's working... [itex]\int kx \cdot dx[/itex] gave [itex]kx \cdot x[/itex]
dav2008 Gold Member Messages 589 Reaction score 1 Apr 23, 2006 #4 Make sure you type in k*x instead of just kx. It thinks that "kx" is one variable if you don't.