Question
Download Solution PDFपरवलय x2 = - 6y के नाभिलंब की लम्बाई ज्ञात कीजिए।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
परवलय, x2 = 4ay, जहाँ a > 0 है, तो
नाभिलंब की लम्बाई = 4a
परवलय, x2 = - 4ay, जहाँ a > 0 है, तो
नाभिलंब की लम्बाई = 4a
गणना:
दिया गया परवलयिक समीकरण, x2 = - 6y
मानक समीकरण के साथ तुलना करने पर, a =
हम जानते हैं कि, नाभिलंब की लम्बाई = 4a
नाभिलंब = 4a
⇒ नाभिलंब = 4×
⇒ नाभिलंब = 6 इकाई
सही विकल्प 2 है।
Last updated on Jun 20, 2025
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