अतिपरवलय की उत्केंद्रता ज्ञात कीजिए। 

Answer (Detailed Solution Below)

Option 4 :
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Detailed Solution

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संकल्पना:

अतिपरवलय का मानक रूप निम्न है, 

= 1, जिसकी उत्केंद्रता (e) = 

गणना:

दिया गया है:

a2 = cosec2 α  and b2 = sec2 α 

हम जानते हैं कि, 

b2 = a2 (e2 - 1)

sec2 α  = cosec2 α (e2 - 1)

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