Tangent line hyperbola relationship (very optional) | Conic sections | Algebra II | Khan Academy

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How a tangent line relates to a hyperbola. Might be useful for some competitive exams where there isn't time to derive (like we are doing in this video)

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Very good explanation. I owe you one. Thanks man. KHAN ACADEMY is the best quality study material videos out there on YouTube

rickkar
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thanks for this, I don't think any of the IIT JEE teachers explain the proofs for this particular topic.

prarabdhshivhare
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Really?! where's the proof that mx+c is tangent to hyperbola? BTW, it can be geometrically constructed by straightedge and compass...

mihaipeste
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Trust me, they really really expect you to know this result and ton of more So i think you should change the title of this video and remove the word optional because if someone is preparing for iitjee he has to know this

saurabhinorange
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please teach from first principle --- amarjit advocate delhi high court

karimkhan