If two points and on the hyperbola , whose centre be such that is perpendicular to , then the value of is |
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a) |
b) |
c) |
d) |
If two points and on the hyperbola , whose centre be such that is perpendicular to , then the value of is |
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a) |
b) |
c) |
d) |
(d)
Let be inclined to transverse axis at an angle so that is ( ) and lies on the hyperbola. It gives
Replacing by we have