
Introducing your new favourite teacher - Teachoo Black, at only ₹83 per month
Finding determinant of a 2x2 matrix
Finding determinant of a 2x2 matrix
Last updated at Sept. 22, 2018 by Teachoo
Example 2 - Chapter 4 Class 12 Determinants - NCERT Book Evaluate |x x+1 x-1 x| |x x + 1 x - 1 x| = x(x) - (x-1) (x+1) = x^2 – (x^2 - 1^2) = x^2 - x^2 + 1 = 1