Chapter 4 • Class 12 Mathematics
Determinants
Class 12 Maths Determinants — computing determinants, properties, minors, cofactors, adjoint, matrix inverse via adjoint, Cramer's rule and solving linear equations. Solved examples and MCQ tests.
Study by topic — one focused page each
1
Determinants & Their Properties
To every square matrix we attach a single number, its determinant , written or . It is defined only for square matrices and answers one decisive quest…
Start this topic → 2Minors, Cofactors, Adjoint & Area
To turn the expansion rule into a usable tool — and to reach the inverse in the next topic — we attach two numbers to every entry of a matrix: its min…
Start this topic → 3Inverse of a Matrix & Solving Linear Systems
The adjoint identity from the previous topic gives a direct formula for the inverse, and the inverse in turn solves systems of linear equations. Singu…
Start this topic →Chapter-wide tests
Online Test
10 MCQ • 20 min
IMO / Olympiad Practice
Olympiad level • 20 min
📝 Full Chapter Test (Download & Print)
35 marks • 75 min • with answer key