Intersections of Curves

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When two curves intersect they have the same x and y values This means that given the equations of the curves, we can solve them like simultaneous equations to find the points of intersection.

Example: Find the points of intersection of the curve(1) and(2).

The curve and the line are illustrated below.


We can put (1)=(2) to getand multiply throughout byto clear all the fractions.

Subtract 3 from both sides, factorise and solve.


Ifthen from (2)and ifthen from (2)