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Determinants EXERCISE 4.2 Solutions
- Q1(i): Find area of the triangle with vertices at the point given in each of the following: (i) $(1, 0), (6, 0), (4, 3)$
- Q1(ii): Find area of the triangle with vertices at the point given in each of the following: (ii) $(2, 7), (1, 1), (10, 8)$
- Q1(iii): Find area of the triangle with vertices at the point given in each of the following: (iii) $(–2, –3), (3, 2), (–1, –8)$
- Q2: Show that points A $(a, b + c)$, B $(b, c + a)$, C $(c, a + b)$ are collinear.
- Q3(i): Find values of $k$ if area of triangle is 4 sq. units and vertices are (i) $(k, 0), (4, 0), (0, 2)$
- Q3(ii): Find values of $k$ if area of triangle is 4 sq. units and vertices are (ii) $(–2, 0), (0, 4), (0, k)$
- Q4(i): (i) Find equation of line joining $(1, 2)$ and $(3, 6)$ using determinants.
- Q4(ii): (ii) Find equation of line joining $(3, 1)$ and $(9, 3)$ using determinants.
- Q5: If area of triangle is 35 sq units with vertices $(2, – 6), (5, 4)$ and $(k, 4)$. Then $k$ is
Other Exercises for CBSE - Class 12 Mathematics Determinants
Chapters in CBSE - Class 12 Mathematics
Top Tutors who teach Determinants
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Top Tutor Uttam Nagar, Delhi 4 yrs of Exp 2 students 312 hrs of classes completed 500 per hour Online Classes 
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Top Tutor Narasapur, Gadag 10 yrs of Exp 2 students 51 hrs of classes completed 400 per hour Online Classes I specialize in breaking down complex mathematical derivations, interpreting complex velocity-time or field graphs, and explaining the physical significance behind equations.Step-by-step algorithmic breakdown of complex integrals, visualizing 3D space geometries, and teaching the underlying logic of proofs.I break down intimidating, high-weightage topics into digestible sub-concepts. For example, before diving into complex Electromagnetic Induction problems, I ensure the student thoroughly grips Lenz's Law and magnetic flux concepts.
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