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Mathematics 23 Online
OpenStudy (anonymous):

find the equation of hyperbola. conjugate axis on the x-axis, one focus at (0, √13), equation of one directrix y= 9√13 / 13. HELP PLEASE!!!!!!!

OpenStudy (anonymous):

help please. the answer is 4y^2 - 9x^2 = 36... it was stated on the book

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