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0:00:19

solving of like fraction

0:40:56

exponents and powers

0:48:45

exponents and powers for Olympiad exam

0:10:50

problems on particular integral type 6

0:27:17

problems on particular integral type 5

0:39:39

problems on particular integral type 4

0:27:39

problems on particular integral type 3

0:49:14

problems on particular integral type 2

0:42:25

problems on particular integral type 1

0:31:16

problems on complementary function

0:17:15

introduction of complementary function particular integral

0:05:49

method of variation of parameters

0:06:52

method of variation of parameters

0:16:07

method of variation of parameters

0:16:30

method of variation of parameters

0:14:55

method of variation of parameters

0:12:08

method of variation of parameters

0:07:06

method of parameters

0:08:52

method of variation of parameters

0:13:17

method of variation of parameters

0:32:47

orthogonal trajectories, Cartesian form

0:38:33

orthogonal trajectories, polar form

0:09:53

orthogonal trajectories, polar form

0:08:56

orthogonal trajectories, polar form