Homework Statement
Find the points on the graph of z=(x^2)(e^y) at which the tangent plane is parallel to 5x-2y-.5z=0
Homework Equations
An equation of the tangent plane to z=f(x,y) at (a,b) is:
z = f(a,b) + fx(a,b)(x-a) + fy(a,b)(y-b)
The Attempt at a Solution
Partial derivatives...
Actually this is no a homework question, its from a placement practice exam. So I didn't really know where to look for things. But, I think I have solved the 2nd. So Now just need help with 1st.
The attempt at a solution
2. z=x^2-y^2 and z=x^2+xy-1
x^2-y^2 = x^2+xy-1
...
Hey,
Can anyone please help me sove these problems:
These are two different problems form different sections.
1. Show that one arch of the cycloid r(t) = <t-sint, 1-cost> has length 8. Find the value of t in [0,2pi] where the speed is at a maximum.
2. Find a parametization of the...