CBSE Class 12 Mathematics 2026 Main Paper 65/5/1 · Q71 Markstriangle_area CBSE Class 12 Mathematics 2026 Main Paper 65/5/1 · Question 7 (Determinants) A=(3,1), B=(−2,1), C=(0,k) form a triangle of area 5. Find the possible k values. (A) 3 and 1(B) −1 and 3(C) −1 and 2(D) 0 and 2