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29-12-2023
Mathematics

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For the hyperbola 9x² - 16y² - 18x + 32y-151 = 0

A. one of the directrix is x = 21/5
B. length of latus rectum = 9/2
C. focii are (6,1) and (-4,1)
D. ecentricity is 5/4

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