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The ellipse x^2/49 +y^2/b^2= 1 has foci at (5, 0) and (−5, 0).
(a) Find the length of the semi-major axis of this ellipse.
(b) Compute the value of b.

 Feb 24, 2023
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(a) The length of the semi-major axis is 12.

(b) b = 12.

 Feb 25, 2023

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