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YAY but i will do them just incase.Trebla said:All of them.
However, they wouldn't be likely to pop up in an exam...
For the positive case P(x1,y1) for x > 0 and S(ae,0):shady145 said:the tangent at p, any point on a hyperbola, meets the directrix at T. show that PT subtends a right angle at the focus.
Which proofs would they be, and how many are there?Trebla said:All of them.
However, they wouldn't be likely to pop up in an exam...
Refer to the syllabus...jm01 said:Which proofs would they be, and how many are there?