Differential Calculus: functions in single variable, multi variables, partial derivatives, ODEs, Sequences and Series, Complex Variables, Matrices, Linear Algebra, Double and Triple Integrals
Practice is the key, as it always has been in mathematics. The first book is really good for tricky problems, and the second book is wonderful for its simplicity in conveying concepts.
The final answer is imperative in the exams, and hence adopt such an oriented approach. Spend atleast 3-4 hours weekly on the covered part.
Tutorial is important, as you get to know what are the probable types of problems to be encountered.
This course sets a mathematical foundation for the rest of your engineering background.