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

[{"Name":"Missing X or Y, Reduction of Order","Videos":[{"Watched":false,"Name":"Missing X or Y, Reduction of Order","ID":7746},{"Watched":false,"Name":"Exercise 1","ID":14641},{"Watched":false,"Name":"Exercise 2","ID":14642},{"Watched":false,"Name":"Exercise 3","ID":14643},{"Watched":false,"Name":"Exercise 4","ID":14644},{"Watched":false,"Name":"Exercise 5","ID":14645},{"Watched":false,"Name":"Exercise 6","ID":14646},{"Watched":false,"Name":"Exercise 7","ID":14647},{"Watched":false,"Name":"Exercise 8","ID":14648}],"ID":4231},{"Name":"Linear, Homogeneous, Constant Coefficients","Videos":[{"Watched":false,"Name":"Linear, Homogeneous, Constant Coefficients","ID":7736},{"Watched":false,"Name":"Exercise 1","ID":7737},{"Watched":false,"Name":"Exercise 2","ID":7738},{"Watched":false,"Name":"Exercise 3","ID":7739},{"Watched":false,"Name":"Exercise 4","ID":7740},{"Watched":false,"Name":"Exercise 5","ID":7741},{"Watched":false,"Name":"Exercise 6","ID":7742},{"Watched":false,"Name":"Exercise 7","ID":7743},{"Watched":false,"Name":"Exercise 8","ID":7744},{"Watched":false,"Name":"Exercise 9","ID":7745}],"ID":4232},{"Name":"Linear, Nonhomogeneous, Constant Coefficients - Method of Undetermined Coefficients","Videos":[{"Watched":false,"Name":"Method of Undetermined Coefficients","ID":7757},{"Watched":false,"Name":"Method of Undetermined Coefficients - Glitch","ID":7758},{"Watched":false,"Name":"Exercise 1","ID":7759},{"Watched":false,"Name":"Exercise 2","ID":7760},{"Watched":false,"Name":"Exercise 3","ID":7761},{"Watched":false,"Name":"Exercise 4","ID":7762},{"Watched":false,"Name":"Exercise 5","ID":7763},{"Watched":false,"Name":"Exercise 6","ID":7764},{"Watched":false,"Name":"Exercise 7","ID":7765},{"Watched":false,"Name":"Exercise 8","ID":7766},{"Watched":false,"Name":"Exercise 9","ID":7767},{"Watched":false,"Name":"Exercise 10","ID":7768},{"Watched":false,"Name":"Exercise 11","ID":7769},{"Watched":false,"Name":"Exercise 12","ID":7770}],"ID":4233},{"Name":"Linear, Nonhomogeneous, Constant Coefficients - Method of Variation of Parameters","Videos":[{"Watched":false,"Name":"Method of Variation of Parameters","ID":7786},{"Watched":false,"Name":"Proof of Formula","ID":7787},{"Watched":false,"Name":"Exercise 1","ID":7788},{"Watched":false,"Name":"Exercise 1 - Without Formula","ID":7789},{"Watched":false,"Name":"Exercise 2","ID":7790},{"Watched":false,"Name":"Exercise 2 - Without Formula","ID":7791},{"Watched":false,"Name":"Exercise 3","ID":7792},{"Watched":false,"Name":"Exercise 3 - Without Formula","ID":7793},{"Watched":false,"Name":"Exercise 4","ID":7794},{"Watched":false,"Name":"Exercise 5","ID":7795},{"Watched":false,"Name":"Exercise 6","ID":7796}],"ID":4234},{"Name":"Euler\u0026#39;s Equation","Videos":[{"Watched":false,"Name":"Euler Equation - Homogeneous","ID":7755},{"Watched":false,"Name":"Euler Equation - Nonhomogeneous","ID":7756}],"ID":4235},{"Name":"Linear, Homogeneous, Non-Constant Coefficients - 2nd Solution Method","Videos":[{"Watched":false,"Name":"2nd Solution Method - Homogeneous","ID":7771},{"Watched":false,"Name":"2nd Solution Method - Nonhomogeneous","ID":7772},{"Watched":false,"Name":"Exercise 1","ID":7773},{"Watched":false,"Name":"Exercise 2","ID":7774},{"Watched":false,"Name":"Exercise 3","ID":7775}],"ID":4236},{"Name":"The Wronskian and its Uses","Videos":[{"Watched":false,"Name":"Introduction","ID":7776},{"Watched":false,"Name":"Linear Independence of Functions","ID":7777},{"Watched":false,"Name":"Test for Independence of Functions","ID":7778},{"Watched":false,"Name":"The Wronskian of ODE Solutions","ID":7779},{"Watched":false,"Name":"Test for Independence of Solutions","ID":7780},{"Watched":false,"Name":"Exercise 1","ID":7781},{"Watched":false,"Name":"Exercise 2","ID":7782},{"Watched":false,"Name":"Exercise 3","ID":7783},{"Watched":false,"Name":"Exercise 4","ID":7784},{"Watched":false,"Name":"Exercise 5","ID":7785}],"ID":4237},{"Name":"Sturm-Liouville Problems","Videos":[{"Watched":false,"Name":"Sturm-Liouville","ID":7797},{"Watched":false,"Name":"Exercise 1","ID":7798},{"Watched":false,"Name":"Exercise 2","ID":7799},{"Watched":false,"Name":"Exercise 3","ID":7800},{"Watched":false,"Name":"Exercise 4","ID":7801},{"Watched":false,"Name":"Exercise 5","ID":7802},{"Watched":false,"Name":"Exercise 6","ID":7803}],"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":[7797,7798,7799,7800,7801,7802,7803]}];

[7746,14641,14642,14643,14644,14645,14646,14647,14648];

1.1

1