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| 1. |
The tangents at an extremity (in the first quadrant )of latus rectum of the hyperbola (x^(2))/( 4) - ( y^(2))/( 5)=1meets x-axis and y- axis at A and B respectively . Then(OA)^(2) - (OB) ^(2) , where O is the origin , equals |
| Answer» Answer :A | |