Might be quicker to differentiate both sides of given equation with respect to x. Hence find dz/dx then use dz/dt=dz/dx times dx/dt
dy/dx will occur but you can get that from dy/dt and dx/dt
Might be quicker to differentiate both sides of given equation with respect to x. Hence find dz/dx then use dz/dt=dz/dx times dx/dt
dy/dx will occur but you can get that from dy/dt and dx/dt
I found it easier to set the function and use the chain rule:
Yes indeed. And you could have shortened this a little. You didn't need to write out the expression for dz/dt as the numbers could have gone straight in to the previous line.