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Mathematics Exam  >  Mathematics Tests  >  Test: Matrices & Determinants - 2 - Mathematics MCQ

Test: Matrices & Determinants - 2 - Mathematics MCQ


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20 Questions MCQ Test - Test: Matrices & Determinants - 2

Test: Matrices & Determinants - 2 for Mathematics 2024 is part of Mathematics preparation. The Test: Matrices & Determinants - 2 questions and answers have been prepared according to the Mathematics exam syllabus.The Test: Matrices & Determinants - 2 MCQs are made for Mathematics 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Matrices & Determinants - 2 below.
Solutions of Test: Matrices & Determinants - 2 questions in English are available as part of our course for Mathematics & Test: Matrices & Determinants - 2 solutions in Hindi for Mathematics course. Download more important topics, notes, lectures and mock test series for Mathematics Exam by signing up for free. Attempt Test: Matrices & Determinants - 2 | 20 questions in 60 minutes | Mock test for Mathematics preparation | Free important questions MCQ to study for Mathematics Exam | Download free PDF with solutions
Test: Matrices & Determinants - 2 - Question 1
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The inverse of the matrix is

Detailed Solution for Test: Matrices & Determinants - 2 - Question 1

The matrix provided is:

To find the inverse of a diagonal matrix, we simply take the reciprocal of each non-zero diagonal element. The inverse of the matrix will be:

So, the inverse matrix is:

Test: Matrices & Determinants - 2 - Question 2
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If the rank of a matrix A is 2, then the rank of 2A is

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Test: Matrices & Determinants - 2 - Question 3
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If A = is symmetric, then x =

Test: Matrices & Determinants - 2 - Question 4
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The matrix is invertible if
Test: Matrices & Determinants - 2 - Question 5
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If A is a skew-symmetric matrix, then trace of A is
Test: Matrices & Determinants - 2 - Question 6
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If then x and y will be
Test: Matrices & Determinants - 2 - Question 7
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Matrix has a value. This statement
Test: Matrices & Determinants - 2 - Question 8
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If the matrix is singular, then λ equals
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Test: Matrices & Determinants - 2 - Question 9
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If A =  are two matrices such that the product AB is a null matrix, then -is
Test: Matrices & Determinants - 2 - Question 10
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If A is a square matrix such that AA` = I, then value of A`A is
Test: Matrices & Determinants - 2 - Question 11
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If A is a square matrix of order n such that its elements are polynomial in x and its r-rows become identical for x = k, then
Test: Matrices & Determinants - 2 - Question 12
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If A is a 3-rowed square matrix, then | 5 A | is equal to
Test: Matrices & Determinants - 2 - Question 13
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In the determinant  , the ratio of the cofactor to its minor of the element – 3 is
Test: Matrices & Determinants - 2 - Question 14
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The solution set of the equation is
Test: Matrices & Determinants - 2 - Question 15
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If ω is an imaginary cube root of unity and x is real number, then which one of the following is a factor of 
Test: Matrices & Determinants - 2 - Question 16
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If A is a square matrix of order 4, and I is a unit matrix, then it is true that
Test: Matrices & Determinants - 2 - Question 17
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If then x is
Test: Matrices & Determinants - 2 - Question 18
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The roots of the equation = 0 are
Test: Matrices & Determinants - 2 - Question 19
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The value of determinant is
Test: Matrices & Determinants - 2 - Question 20
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The value of 
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