This is "Mathematics Textbook for Class XII Part I," a core textbook designed for students in their twelfth year of schooling. As a Part I book, it covers the initial half of the Class XII mathematics curriculum, focusing on fundamental concepts that build upon previous learning. The cover features various mathematical diagrams, including functions (like 'gof' composition), logarithmic graphs (y=log x), inverse trigonometric functions (y=tan⁻¹ x), and geometric shapes such as a cone, indicating a broad coverage of topics typically found in senior secondary mathematics, such as relations and functions, inverse trigonometric functions, matrices, determinants, continuity and differentiability, and application of derivatives. This textbook is essential for Class XII students to prepare for their board examinations and future studies in mathematics.