Book «No1018 Methodical instructions in mathematics for students of the preparatory department . H. 2" by Belyaev, C. A. , Gukovsky, S. A. , Kvacheva, N. F. and others is an indispensable resource for students seeking to deepen their knowledge in the field of mathematics. This training material is the second part of the guidelines, which will help the students of the preparatory department not only to master the basic mathematical concepts, but also to prepare for more complex topics that they will meet in the future. In this book, you will find carefully designed guidelines that cover a wide range of mathematical topics. The authors aim to make complex mathematical concepts accessible and understandable, using a clear and logical style of presentation. Each chapter contains theoretical materials, practical tasks and examples, which allows the reader not only to get acquainted with the theory, but also to consolidate their knowledge in practice. This makes the book an ideal assistant for students who are preparing for exams or just want to improve their skills in mathematics. Who can like this book? First of all, it is intended for students of preparatory departments who are preparing for admission to higher education institutions . However, her