213. Фокус и директриса параболы.
По каноническим уравнениям парабол находятся фокус и директриса
4 months ago 00:00:00 2
5 months ago 00:18:07 5
5 months ago 00:02:49 1
5 months ago 03:03:00 1
5 months ago 00:16:16 1
5 months ago 03:56:32 1
5 months ago 01:45:10 1
5 months ago 00:09:00 1
5 months ago 00:23:58 2
5 months ago 02:31:50 1
![[4K] Star Citizen - Flying over Lorville City and Exploring Planet Hurston’s Moons](https://sun9-21.userapi.com/9X0guDgyU61iQqMKbufgiqLhY9puuak4c8kUaA/f7BJhszdPAQ.jpg)
5 months ago 03:05:55 1
![ASMR Hum & BuZzZz ⚡️ Electric Triggers to Make You Incredibly Sleepy [No Talking - Ear to Ear]](https://sun9-73.userapi.com/TVq_1MrJ5jDhcQgnDXAmE3X-VvTbsbsE6i-4lg/8FMPtZ4i_Jo.jpg)
6 months ago 03:48:08 1
6 months ago 00:33:50 2
6 months ago 00:01:27 1
6 months ago 00:05:11 1
6 months ago 03:34:14 1
6 months ago 02:33:17 1
6 months ago 00:48:20 2
7 months ago 00:24:08 1
7 months ago 02:50:25 2
7 months ago 00:07:20 1
7 months ago 02:33:44 1
7 months ago 00:02:00 1
8 months ago 00:04:50 118
