Question
Download Solution PDFFind the length of latus rectum of parabola , x2 = - 6y .
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Parabola, x2 = 4ay, where a > 0, then
Length of latus rectum = 4a
Parabola, x2 = - 4ay, where a > 0, then
Length of latus rectum = 4a
Calculation:
Given parabolic equation , x2 = - 6y
On comparing with standard equation, a = \(\frac{3}{2}\)
We know that, length of latus rectum = 4a
Latus rectum = 4a
⇒ Latus rectum = 4× \(\frac{3}{2}\)
⇒ Latus rectum = 6 units.
The correct option is 2.
Last updated on Jun 20, 2025
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