Formula
Determinant of a 2×2 matrix
- the four entries, read row-wise
The determinant of a two by two matrix is the product of the leading diagonal minus the product of the other diagonal.
Used alongside
How often each of these appears in the same solution as this one.
63 questions whose solution uses this
Every one was read individually — a question is here because its solution invokes this, not because the stem mentions it.
Filter
Showing 63 of 63 questions — easiest first, then oldest paper first.
#1Maharashtra HSC Class 12 → Mathematics → Matrices → Inverse by Adjoint Method
#2NDA → Mathematics → Matrices & Determinants → Cofactors, Adjoint, and Inverse
#3NDA → Mathematics → Matrices & Determinants → Cofactors, Adjoint, and Inverse
#4NDA → Mathematics → Matrices & Determinants → Special Determinants — Trig, Complex, Roots of Unity, Polynomial
#5NDA → Mathematics → Matrices & Determinants → Cofactors, Adjoint, and Inverse
#6NDA → Mathematics → Matrices & Determinants → Special Determinants — Trig, Complex, Roots of Unity, Polynomial
#7NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums
#8NDA → Mathematics → Matrices & Determinants → Special Determinants — Trig, Complex, Roots of Unity, Polynomial
#9NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums
#10Maharashtra HSC Class 12 → Mathematics → Matrices → Inverse by Adjoint Method
#11NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums
#12MHT-CET → Maths → Determinants and Matrices → Inverse of a Matrix — Adjoint Formula, Products and Verification
#13MHT-CET → Maths → Determinants and Matrices → Inverse of a Matrix — Adjoint Formula, Products and Verification
#14MHT-CET → Maths → Determinants and Matrices → Inverse of a Matrix — Adjoint Formula, Products and Verification
#15CBSE Class 12 → Mathematics → Determinants → Determinant and its Properties
#16CBSE Class 12 → Mathematics → Determinants → Determinant and its Properties
#17NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums
#18CBSE Class 12 → Mathematics → Determinants → Determinant and its Properties
#19NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums
#20Maharashtra HSC Class 12 → Mathematics → Matrices → Minors, Cofactors and Adjoint
#21NDA → Mathematics → Matrices & Determinants → Matrix Operations, Polynomials, and Equations
#22NDA → Mathematics → Matrices & Determinants → Cofactors, Adjoint, and Inverse
#23NDA → Mathematics → Matrices & Determinants → Matrix Operations, Polynomials, and Equations
#24NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums
#25CBSE Class 12 → Mathematics → Determinants → Determinant and its Properties
#26Maharashtra HSC Class 12 → Mathematics → Matrices → Inverse by Adjoint Method
#27NDA → Mathematics → Matrices & Determinants → Cofactors, Adjoint, and Inverse
#28NDA → Mathematics → Matrices & Determinants → Cofactors, Adjoint, and Inverse
#29NDA → Mathematics → Matrices & Determinants → Special Determinants — Trig, Complex, Roots of Unity, Polynomial
#30NDA → Mathematics → Matrices & Determinants → Matrix Operations, Polynomials, and Equations
#31NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums
#32Maharashtra HSC Class 12 → Mathematics → Matrices → Minors, Cofactors and Adjoint
#33NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums
#34NDA → Mathematics → Matrices & Determinants → Matrix Operations, Polynomials, and Equations
#35NDA → Mathematics → Matrices & Determinants → Matrix Operations, Polynomials, and Equations
#36NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums
#37NDA → Mathematics → Matrices & Determinants → Cofactors, Adjoint, and Inverse
#38MHT-CET → Maths → Determinants and Matrices → Inverse of a Matrix — Adjoint Formula, Products and Verification
#39NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums
#40CBSE Class 12 → Mathematics → Determinants → Determinant and its Properties
#41MHT-CET → Maths → Determinants and Matrices → Cayley–Hamilton, Matrix Polynomials and Powers
#42CBSE Class 12 → Mathematics → Determinants → Determinant and its Properties
#43MHT-CET → Maths → Determinants and Matrices → Cayley–Hamilton, Matrix Polynomials and Powers
#44CBSE Class 12 → Mathematics → Determinants → Determinant and its Properties
#45MHT-CET → Maths → Determinants and Matrices → Inverse of a Matrix — Adjoint Formula, Products and Verification
#46CBSE Class 12 → Mathematics → Determinants → Adjoint and Inverse of a Matrix
#47MHT-CET → Maths → Determinants and Matrices → Inverse of a Matrix — Adjoint Formula, Products and Verification
#48MHT-CET → Maths → Determinants and Matrices → Cayley–Hamilton, Matrix Polynomials and Powers
#49MHT-CET → Maths → Determinants and Matrices → Inverse of a Matrix — Adjoint Formula, Products and Verification
#50MHT-CET → Maths → Determinants and Matrices → Inverse of a Matrix — Adjoint Formula, Products and Verification
#51NDA → Mathematics → Matrices & Determinants → Cofactors, Adjoint, and Inverse
#52NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums
#53NDA → Mathematics → Matrices & Determinants → Cofactors, Adjoint, and Inverse
#54NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums
#55Maharashtra HSC Class 12 → Mathematics → Matrices → Inverse by Adjoint Method
#56NDA → Mathematics → Matrices & Determinants → Cofactors, Adjoint, and Inverse
#57NDA → Mathematics → Matrices & Determinants → Linear Systems — Consistency, Cramer's Rule, Solution Space
#58NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums
#59NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums
#60MHT-CET → Maths → Determinants and Matrices → Cayley–Hamilton, Matrix Polynomials and Powers
#61MHT-CET → Maths → Determinants and Matrices → Inverse of a Matrix — Adjoint Formula, Products and Verification
#62MHT-CET → Maths → Determinants and Matrices → Inverse of a Matrix — Adjoint Formula, Products and Verification
#63NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums
Every identity this chapter tests, with its own question set.
All Matrices & Determinants formulas