Examples of Math Problems
examples of math problems that I like, solved, etc.
Wednesday, August 21, 2013
Find the equation of the tangent to the circle with centre: (3,-1) at (-1,1)
the slope between (-1,1) and (3,-1) is
m=(-1-1)/(3-(-1))=-1/2
which must be perpendicular to our line's slope. Therefore using
we have
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