ncert class 12 maths chapter 4 Determinants
Question 1:Find area of the triangle with vertices at the point given in each of the following : (i) (1, 0), (6, 0), (4, 3) (ii) (2, 7), (1, 1), (10, 8) (iii) (–2, –3), (3, 2), (–1, –8)
exercise 4.3 maths class 12 Chapter 4 Determinants
Question 2:Show that points A (a, b + c), B (b, c + a), C (c, a + b) are collinear.
cbse class 12 maths ncert solutions Chapter 4
Question 3:Find values of k if area of triangle is 4 sq. units and vertices are (i) (k, 0), (4, 0), (0, 2) (ii) (–2, 0), (0, 4), (0, k)
Class 12 maths solutions Determinants
Question 4:(i) Find equation of line joining (1, 2) and (3, 6) using determinants. (ii) Find equation of line joining (3, 1) and (9, 3) using determinants.
Question 5:If area of triangle is 35 sq units with vertices (2, – 6), (5, 4) and (k, 4). Then k is (A) 12 (B) –2 (C) –12, –2 (D) 12, –2
