CHA6 EU CHA6A LO CHA6A1 EK. The length of the Latus Rectum is 2b 2 a. To find the length of a curve yfx we can make use of the formula.
You can find the arc length of a curve with an integral of the form begin aligned int sqrt dx2 dy2 end aligned dx2 dy2.
We use the words arc length to describe how long a curve is. In general you can skip the multiplication sign so 5x is equivalent to 5x. The curved line is the first species of quantity which has only one dimension namely. Imagine we want to find the length of a curve between two points.