Proof of the hyperbola foci formula

Name: Proof of the hyperbola foci formula
Uploaded: 2023-10-31T23:49:08.081254081Z
Description: Sal proves why, for the general hyperbola equation x^2/a^2-y^2/b^2=1, the focal length f forms the equation f^2=a^2+b^2 with the parameters a and b.

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Sal proves why, for the general hyperbola equation x^2/a^2-y^2/b^2=1, the focal length f forms the equation f^2=a^2+b^2 with the parameters a and b. Created by Sal Khan.

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Precalculus

Course: Precalculus > Unit 5

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