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Maths Determinants Class 12 MCQ and Assertion Questions

Short Quiz · Class 12 · Maths · CBSE

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Chapter 4 Class 12 Determinants | 5 questions | about 4 minutes

Practise Determinants Class 12 with Teachoo's Short Quiz (Class 12 · Maths · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 5
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Question 1 of 5
CBSE Board Exam 2024
If \(\left|\begin{array}{ccc}1 & 3 & 1 \\ \mathrm{k} & 0 & 1 \\ 0 & 0 & 1\end{array}\right|= \pm 6\), then the value of k is :
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Question 2 of 5
NCERT Exemplar
There are two values of \(a\) which makes determinant, \(\Delta=\left|\begin{array}{ccc}1 & -2 & 5 \\ 2 & a & -1 \\ 0 & 4 & 2 a\end{array}\right|=86\), then sum of these number is
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Question 3 of 5
NCERT Exemplar
If A, B and C are angles of a triangle, then the determinant \(\left|\begin{array}{ccc}-1 & \cos \mathrm{C} & \cos \mathrm{B} \\ \cos \mathrm{C} & -1 & \cos \mathrm{~A} \\ \cos \mathrm{~B} & \cos \mathrm{~A} & -1\end{array}\right|\) is equal to
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Question 4 of 5
NCERT Exemplar
If \(f(x)=\left|\begin{array}{ccc}0 & x-a & x-b \\ x+a & 0 & x-c \\ x+b & x+c & 0\end{array}\right|\), then
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Question 5 of 5
NCERT Exemplar
Let \(\Delta=\left|\begin{array}{ccc}\mathrm{A} x & x^2 & 1 \\ \mathrm{~B} y & y^2 & 1 \\ \mathrm{C} z & z^2 & 1\end{array}\right|\) and \(\Delta_1=\left|\begin{array}{ccc}\mathrm{A} & \mathrm{B} & \mathrm{C} \\ x & y & z \\ z y & z x & x y\end{array}\right|\), then
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Practice · Determinants Class 12