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Mathematics 14 Online
OpenStudy (anonymous):

How do you find the foci of a hyperbola

OpenStudy (anonymous):

http://www.purplemath.com/modules/hyperbola.htm

OpenStudy (anonymous):

i dont understand what its saying whats the formula to find the foci

OpenStudy (alexwee123):

use\[c ^{2}=a ^{2}+b ^{2}\] C is the distance to the focus

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