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Q. |
The length of the latus rectum of the parabola y2 =ax is |
A. | 4a |
B. | a |
C. | a/4 |
D. | 2a |
Answer» B. a | |
Explanation: latus rectum is the line perpendicular to axis and passing through focus ends touching parabola. length of latus rectum of y2 =4ax, x2 =4ay is 4a; y2 =2ax, x2 |
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