{ "name": "Second-Order Differential Equations", "order": 6, "challenges": [ { "id": "59a5801209a6acac5983b580", "title": "Second-Order Linear Equations", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a779", "title": "Nonhomogenous linear equations", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a780", "title": "Applications of second-order differential eqatuions", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a781", "title": "Series Solutions", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] } ] }