Class 11-commerce NCERT Solutions Maths Chapter 11 - Conic Sections
Ex. 11.1
Ex. 11.2
Ex. 11.3
Ex. 11.4
Misc. Ex.
Conic Sections Exercise Ex. 11.1
Solution 1
Solution 2
Solution 3
Solution 4
Solution 5
Solution 6
Solution 7
Solution 8
Solution 9
Solution 10
Solution 11
Solution 12
Solution 13
Solution 14
Solution 15
Conic Sections Exercise Ex. 11.2
Solution 1
Solution 2
Solution 3
Solution 4
Solution 5
Solution 6
Solution 7
Solution 8
Solution 9
Solution 10
Solution 11
Solution 12
Conic Sections Exercise Ex. 11.3
Solution 1
Solution 2
Solution 3
Solution 4
Solution 5
Solution 6
Solution 7
Solution 8
Solution 9
Solution 10
Solution 11
Solution 12
Solution 13
Solution 14
Solution 15
Solution 16
Solution 17
Solution 18
Solution 19
Solution 20
Conic Sections Exercise Ex. 11.4
Solution 1
Solution 2
Solution 3
Solution 4
Solution 5
Solution 6
Solution 7
Solution 8
Solution 9
Vertices (0, ± 3), foci (0, ± 5)
Here, the vertices are on the y-axis.
Since the Vertices are (0, ± 3), a = 3
Since the foci are (0, ± 5), c = 5
We know that a2 + b2 = c2
∴ 32 + b2 = 52
∴ b2 = 25 - 9 = 16