What is the equation of the line normal to #f(x)=1/abs(x) # at #x=1#?
2 Answers
Explanation:
For
Furthermore,
At
The equation of the line through
Explanation:
See image at end of post....
we can see that at
and so the slope is
Thus the tangent vector is
Therefore, for the normal vector
the slope of the normal is therefore
we can also say that
so we have
or