Example 5 - Chapter 10 Class 11 Conic Sections
Last updated at May 6, 2024 by Teachoo
Examples
Example 1
Example 2
Example 3 Important
Example 4 Important
Example 5 You are here
Example 6 Important
Example 7 Important
Example 8 Important
Example 9
Example 10 Important
Example, 11
Example 12 Important
Example 13 Important
Example 14 (i)
Example 14 (ii) Important
Example 15
Example 16 Important
Example 17
Example 18 Important
Example, 19 Important
Chapter 10 Class 11 Conic Sections
Serial order wise
- Ex 10.1
- Ex 10.2
- Ex 10.3
- Ex 10.4
-
Examples
- Miscellaneous
Transcript
Example 5 Find the coordinates of the focus, axis, the equation of the directrix and latus rectum of the parabola y2 = 8x. Given equation is y2 = 8x. Since the above equation is involves y2 Its axis is x-axis Also coefficient of x is positive (+8) Hence we use equation y2 = 4ax Comparing y2 = 8x & y2 = 4ax From (1) & (2) 8x = 4ax 8𝑥4𝑥 = a 2 = a a = 2 Coordinates of focus is = (a, 0) = (2, 0) Equation of Directix is x = −a x = −2 Latus Rectum is 4a = 4 × 2 = 8
