Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Identify the coordinates of the centre of the ellipse
25
x
2
+
9
y
2
=
225
25x^{2}+9y^{2}=225
25
x
2
+
9
y
2
=
225
.
Browse the problem library