Problema Solution
what is the graph of (x^2)/(a^2) + (y^2)/(a^2 - c^2) = 1?
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what is the graph of (x^2)/(a^2) + (y^2)/(a^2 - c^2) = 1?
Solution:
(x^2)/(a^2) + (y^2)/(a^2 - c^2) = 1
Let b^2 = a^2 - c^2
That is
(x^2)/(a^2) + (y^2)/(b^2) = 1
So the graph is a ellipse.