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| 1. |
Find (a) the eccentricities, (b) the co-ordinates of the foci (c )the equations of the directricies of the following hyperbolas (i) ((x -1) ^(2))/(9) - (y ^(2))/(4) =1 (ii) ((x +1) ^(2))/( 64) - ((y -2) ^(2))/(36) =1. |
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