Mathbee CBSE Mathbee · CBSE Class 12 Maths
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.

✅ Step-by-Step Solution

Final Answer: −1 and 3
  1. The base has length 5 and the height is |k−1|. Thus |k−1|=2.

Master Chapter 4: Determinants

Practise interactive questions, flashcards, visual mind maps, and timed board tests for Determinants.
📘 Chapter Notes & All Exercises 🚀 Open in Interactive Workspace →
← Previous Question
The function is (x²−4x−5)/(x+1) for x≠−1 and k at x=−1. Find k for…
Next Question →
Differentiate arccos((sin x+cos x)/√2) for −π/4<x<π/4.

All Questions in CBSE Class 12 Mathematics 2026 Main Paper 65/5/1

Related Questions in Determinants