[Script Info]
Title: 
[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:00.43,0:00:04.43,Default,,0000,0000,0000,,Jom kita cuba cth lain bagi Lokus.
Dialogue: 0,0:00:05.11,0:00:10.49,Default,,0000,0000,0000,,Diberi titik tetap A, B dan \Ntitik bergerak P;
Dialogue: 0,0:00:15.72,0:00:25.47,Default,,0000,0000,0000,,PA : PB = 2 : 1
Dialogue: 0,0:00:26.73,0:00:30.61,Default,,0000,0000,0000,,Jadi apakah cara utk dapatkan \Npersamaan Lokus ini?
Dialogue: 0,0:00:31.00,0:00:33.52,Default,,0000,0000,0000,,Mudah saja.
Dialogue: 0,0:00:33.71,0:00:36.79,Default,,0000,0000,0000,,Tukarkan ke dlm bentuk pecahan.
Dialogue: 0,0:00:36.92,0:00:41.30,Default,,0000,0000,0000,,PA/PB = 2/1
Dialogue: 0,0:00:46.72,0:00:48.63,Default,,0000,0000,0000,,Darab silang persamaan ini.
Dialogue: 0,0:00:48.89,0:00:49.73,Default,,0000,0000,0000,,Kita akan dapat:
Dialogue: 0,0:00:49.97,0:00:54.77,Default,,0000,0000,0000,,PA = 2PB
Dialogue: 0,0:01:00.76,0:01:04.55,Default,,0000,0000,0000,,Gunakan formula jarak.
Dialogue: 0,0:01:04.74,0:01:13.28,Default,,0000,0000,0000,,PA: \N√ [ (x - 3)2 + (y-4)2]
Dialogue: 0,0:01:14.20,0:01:16.26,Default,,0000,0000,0000,,= 2PB,
Dialogue: 0,0:01:20.54,0:01:32.79,Default,,0000,0000,0000,,PB:\N√ [ (x - 1)2 + (y - (-6))2]
Dialogue: 0,0:01:37.63,0:01:43.51,Default,,0000,0000,0000,,Ingat, kuasa-dua kan persamaan \Nutk hapuskan √
Dialogue: 0,0:01:43.58,0:01:44.76,Default,,0000,0000,0000,,Hasilnya,
Dialogue: 0,0:01:44.94,0:02:08.09,Default,,0000,0000,0000,,(x - 3)2 + (y - 4)2 = 4 [ (x-1)2 + (y+6)2]
Dialogue: 0,0:02:08.27,0:02:09.23,Default,,0000,0000,0000,,Kemudian, kembangkan persamaan ini.
Dialogue: 0,0:02:09.39,0:02:33.52,Default,,0000,0000,0000,,x2 - 6x + 9 + y2 - 8y + 16 = \N4 [ x2 - 2x + 1 + y2 + 12y + 36]
Dialogue: 0,0:02:33.68,0:02:34.71,Default,,0000,0000,0000,,Kembangkan lagi PB:
Dialogue: 0,0:02:35.02,0:02:48.51,Default,,0000,0000,0000,,4x2 - 8x + 4 + 4y2 + 48y + 144,
Dialogue: 0,0:02:48.72,0:02:58.28,Default,,0000,0000,0000,,Dan PA:\Nx2 - 6x + y2 - 8y + 25
Dialogue: 0,0:03:01.49,0:03:05.49,Default,,0000,0000,0000,,Kumpulkan semua nilai di sebelah kanan (PB).
Dialogue: 0,0:03:07.71,0:04:03.24,Default,,0000,0000,0000,,3x2 - 2x + 3y2 + 56y + 4 + 144 - 25 = 0
Dialogue: 0,0:04:03.64,0:04:05.20,Default,,0000,0000,0000,,Susun dan ringkaskan.
Dialogue: 0,0:04:05.47,0:04:18.26,Default,,0000,0000,0000,,0 = 3x2 + 3y2 - 2x + 56y + 123
Dialogue: 0,0:04:18.74,0:04:22.74,Default,,0000,0000,0000,,Inilah persamaan Lokus yg kita cari.