,

Ok, so I found and

So then,

And I have a normal vector at point

So then,

Did I do this correctly? Thanks for looking.

- Oct 19th 2010, 04:52 PMdownthesun01Find the equation for the tangent plane to the surface. Answer doesn't seem right.
,

Ok, so I found and

So then,

And I have a normal vector at point

So then,

Did I do this correctly? Thanks for looking. - Oct 19th 2010, 05:11 PMPlato
- Oct 19th 2010, 05:37 PMdownthesun01

at point

Still getting z=0

And it still seems like an odd answer for some reason. - Oct 20th 2010, 12:28 AMearboth
- Oct 20th 2010, 05:51 AMdownthesun01
Honestly, z=0 just seems kind of boring. I know, not a very good reason. Thanks for the graph though. It makes it really easy to see that the answer is correct. Much appreciated.