Airisse

This page lists questions and answers that were posted by visitors named Airisse.

Questions

The following questions were asked by visitors named Airisse.

Show that the equation sqrt((x-c)^2 + y^2)+sqrt((x+c)^2 + y^2) = 2a can be simplified to (x^2/a^2) + (y^2/b^2) = 1 where b^2 = a^2-c^2.
11 years ago

Answers

The following answers were posted by visitors named Airisse.