Posted by Algebra 2 on .
Could you please show me step by step how to solve this problem?
Suppose that the equation of an ellipse is 36X^2 + 81y^2 = 2916
Find the major and minor radii. Use these numbers and the realtionship in problem 11 to calculate c, the focal readius for this elipse.
number 11 stated exlapin why b^2 + c^2 = a^2. Write this relationship on your index card.
THANK YOU!

Algebra 2 
elina,
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