- #1

chetzread

- 801

- 1

## Homework Statement

Find the slope of tangent line to curve that is intersection to the surface z= (x^2) - (y^2) with plane x =2 , at point (2,1,3)

The ans given by the author is only∂z /∂y = -2

## Homework Equations

## The Attempt at a Solution

Is my diagram correct ?

I'm wondering , why shouldn't we move the entire graph 'forward ' to x = 2 ? [/B]