{"Free":0,"Sample":1,"Paid":2}

[{"Name":"Missing X or Y, Reduction of Order","TopicPlaylistFirstVideoID":0,"Videos":[{"Watched":false,"Name":"Missing X or Y, Reduction of Order","Duration":"4m 28s","ID":7746},{"Watched":false,"Name":"Exercise 1","Duration":"3m 42s","ID":14641},{"Watched":false,"Name":"Exercise 2","Duration":"5m 4s","ID":14642},{"Watched":false,"Name":"Exercise 3","Duration":"4m 37s","ID":14643},{"Watched":false,"Name":"Exercise 4","Duration":"3m 25s","ID":14644},{"Watched":false,"Name":"Exercise 5","Duration":"5m 25s","ID":14645},{"Watched":false,"Name":"Exercise 6","Duration":"3m 36s","ID":14646},{"Watched":false,"Name":"Exercise 7","Duration":"4m 57s","ID":14647},{"Watched":false,"Name":"Exercise 8","Duration":"4m 25s","ID":14648}],"ID":4231},{"Name":"Linear, Homogeneous, Constant Coefficients","TopicPlaylistFirstVideoID":0,"Videos":[{"Watched":false,"Name":"Linear, Homogeneous, Constant Coefficients","Duration":"4m 15s","ID":7736},{"Watched":false,"Name":"Exercise 1","Duration":"","ID":7737},{"Watched":false,"Name":"Exercise 2","Duration":"1m 0s","ID":7738},{"Watched":false,"Name":"Exercise 3","Duration":"","ID":7739},{"Watched":false,"Name":"Exercise 4","Duration":"3m 35s","ID":7740},{"Watched":false,"Name":"Exercise 5","Duration":"1m 4s","ID":7741},{"Watched":false,"Name":"Exercise 6","Duration":"1m 30s","ID":7742},{"Watched":false,"Name":"Exercise 7","Duration":"1m 34s","ID":7743},{"Watched":false,"Name":"Exercise 8","Duration":"1m 17s","ID":7744},{"Watched":false,"Name":"Exercise 9","Duration":"4m 18s","ID":7745}],"ID":4232},{"Name":"Linear, Nonhomogeneous, Constant Coefficients - Method of Undetermined Coefficients","TopicPlaylistFirstVideoID":0,"Videos":[{"Watched":false,"Name":"Method of Undetermined Coefficients","Duration":"9m 31s","ID":7757},{"Watched":false,"Name":"Method of Undetermined Coefficients - Glitch","Duration":"9m 47s","ID":7758},{"Watched":false,"Name":"Exercise 1","Duration":"3m 35s","ID":7759},{"Watched":false,"Name":"Exercise 2","Duration":"4m 5s","ID":7760},{"Watched":false,"Name":"Exercise 3","Duration":"3m 19s","ID":7761},{"Watched":false,"Name":"Exercise 4","Duration":"3m 41s","ID":7762},{"Watched":false,"Name":"Exercise 5","Duration":"5m 13s","ID":7763},{"Watched":false,"Name":"Exercise 6","Duration":"5m 55s","ID":7764},{"Watched":false,"Name":"Exercise 7","Duration":"7m 27s","ID":7765},{"Watched":false,"Name":"Exercise 8","Duration":"4m 55s","ID":7766},{"Watched":false,"Name":"Exercise 9","Duration":"3m 57s","ID":7767},{"Watched":false,"Name":"Exercise 10","Duration":"4m 48s","ID":7768},{"Watched":false,"Name":"Exercise 11","Duration":"4m 57s","ID":7769},{"Watched":false,"Name":"Exercise 12","Duration":"9m 58s","ID":7770}],"ID":4233},{"Name":"Linear, Nonhomogeneous, Constant Coefficients - Method of Variation of Parameters","TopicPlaylistFirstVideoID":0,"Videos":[{"Watched":false,"Name":"Method of Variation of Parameters","Duration":"7m 21s","ID":7786},{"Watched":false,"Name":"Proof of Formula","Duration":"8m 54s","ID":7787},{"Watched":false,"Name":"Exercise 1","Duration":"3m 41s","ID":7788},{"Watched":false,"Name":"Exercise 1 - Without Formula","Duration":"7m 34s","ID":7789},{"Watched":false,"Name":"Exercise 2","Duration":"6m 36s","ID":7790},{"Watched":false,"Name":"Exercise 2 - Without Formula","Duration":"10m 53s","ID":7791},{"Watched":false,"Name":"Exercise 3","Duration":"5m 5s","ID":7792},{"Watched":false,"Name":"Exercise 3 - Without Formula","Duration":"10m 46s","ID":7793},{"Watched":false,"Name":"Exercise 4","Duration":"6m 10s","ID":7794},{"Watched":false,"Name":"Exercise 5","Duration":"5m 5s","ID":7795},{"Watched":false,"Name":"Exercise 6","Duration":"4m 13s","ID":7796}],"ID":4234},{"Name":"Euler\u0026#39;s Equation","TopicPlaylistFirstVideoID":0,"Videos":[{"Watched":false,"Name":"Euler Equation - Homogeneous","Duration":"6m 56s","ID":7755},{"Watched":false,"Name":"Euler Equation - Nonhomogeneous","Duration":"11m 27s","ID":7756}],"ID":4235},{"Name":"Linear, Homogeneous, Non-Constant Coefficients - 2nd Solution Method","TopicPlaylistFirstVideoID":0,"Videos":[{"Watched":false,"Name":"2nd Solution Method - Homogeneous","Duration":"9m 5s","ID":7771},{"Watched":false,"Name":"2nd Solution Method - Nonhomogeneous","Duration":"13m 15s","ID":7772},{"Watched":false,"Name":"Exercise 1","Duration":"6m 47s","ID":7773},{"Watched":false,"Name":"Exercise 2","Duration":"5m 23s","ID":7774},{"Watched":false,"Name":"Exercise 3","Duration":"7m 3s","ID":7775}],"ID":4236},{"Name":"The Wronskian and its Uses","TopicPlaylistFirstVideoID":0,"Videos":[{"Watched":false,"Name":"Introduction","Duration":"8m 1s","ID":7776},{"Watched":false,"Name":"Linear Independence of Functions","Duration":"8m 27s","ID":7777},{"Watched":false,"Name":"Test for Independence of Functions","Duration":"8m 59s","ID":7778},{"Watched":false,"Name":"The Wronskian of ODE Solutions","Duration":"4m 56s","ID":7779},{"Watched":false,"Name":"Test for Independence of Solutions","Duration":"3m 58s","ID":7780},{"Watched":false,"Name":"Exercise 1","Duration":"3m 0s","ID":7781},{"Watched":false,"Name":"Exercise 2","Duration":"6m 3s","ID":7782},{"Watched":false,"Name":"Exercise 3","Duration":"2m 53s","ID":7783},{"Watched":false,"Name":"Exercise 4","Duration":"5m 8s","ID":7784},{"Watched":false,"Name":"Exercise 5","Duration":"6m 28s","ID":7785}],"ID":4237},{"Name":"Sturm-Liouville Problems","TopicPlaylistFirstVideoID":0,"Videos":[{"Watched":false,"Name":"Sturm-Liouville","Duration":"23m 26s","ID":24675},{"Watched":false,"Name":"Exercise 1","Duration":"10m 30s","ID":24676},{"Watched":false,"Name":"Exercise 2","Duration":"12m 45s","ID":24677},{"Watched":false,"Name":"Exercise 3","Duration":"14m 28s","ID":24678},{"Watched":false,"Name":"Exercise 4","Duration":"7m 24s","ID":24679},{"Watched":false,"Name":"Exercise 5","Duration":"6m 32s","ID":24680},{"Watched":false,"Name":"Exercise 6","Duration":"10m 8s","ID":24681}],"ID":4238}]

[{"ID":4231,"Videos":[7746,14641,14642,14643,14644,14645,14646,14647,14648]},{"ID":4232,"Videos":[7736,7737,7738,7739,7740,7741,7742,7743,7744,7745]},{"ID":4233,"Videos":[7757,7758,7759,7760,7761,7762,7763,7764,7765,7766,7767,7768,7769,7770]},{"ID":4234,"Videos":[7786,7787,7788,7789,7790,7791,7792,7793,7794,7795,7796]},{"ID":4235,"Videos":[7755,7756]},{"ID":4236,"Videos":[7771,7772,7773,7774,7775]},{"ID":4237,"Videos":[7776,7777,7778,7779,7780,7781,7782,7783,7784,7785]},{"ID":4238,"Videos":[24675,24676,24677,24678,24679,24680,24681]}];

[7771,7772,7773,7774,7775];

1.1

1

# Continue watching

### Get access to 1,500 subjects including personalized courses.

Sign up