Finding determinant of a 2x2 matrix
Finding Determinant
Important things to note in Determinants
Example 1
Question 16 (MCQ) Deleted for CBSE Board 2025 Exams
Ex 4.1,1
Ex 4.1, 2 (i) You are here
Ex 4.1, 3 Important
Example 2
Ex 4.1, 8 (MCQ)
Example 5 Important
Ex 4.1, 7 (i) Important
What is the difference between Matrix & Determinant?
Finding determinant of a 2x2 matrix
Last updated at April 16, 2024 by Teachoo
Ex 4.1, 2 Evaluate the determinant (i) |■8(cos "θ" &−sin" θ" @sin "θ" &cos "θ" )| [■8(cos "θ" &−sin "θ" @sin "θ" &cos" θ" )] = cos θ(cos θ) − (sin θ) (−sin θ) = cos2 θ + sin2 θ = 1