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NCERT Class XI Mathematics - Conic Sections - Solutions
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Question : 43 of 71
Marks:
+1,
-0
Length of minor axis 16, foci (0, ±6)
Solution:
Since the foci (0, ±6) lie on y-axis. ∴ The equation of ellipse in standard form is = 1 Now, length of minor axis 2b = 16 ⇒ b = 8, Foci are (0, ±6) ⇒ c = 6 we know that = ∴ = ⇒ = 36 + 64 = 100. Hence the required equation of ellipse is = 1.
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