1.

The ends of the latus rectum of the conic \[{{x}^{2}}+10x-16y+25=0\] are                                         [Karnataka CET 2005]

A.            (3, ?4), (13, 4)                           
B.            (?3, ?4), (13, ?4)
C.            (3, 4), (?13, 4)                           
D.            (5, ?8), (?5, 8)
Answer» D.            (5, ?8), (?5, 8)


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