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Test: Matrices & Determinants - 2 - Mathematics MCQ
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20 Questions MCQ Test Mathematics for Competitive Exams - Test: Matrices & Determinants - 2
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is
Detailed Solution for Test: Matrices & Determinants - 2 - Question 1
Test: Matrices & Determinants - 2 - Question 2
If the rank of a matrix A is 2, then the rank of 2A is
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is symmetric, then x =
is invertible if
Test: Matrices & Determinants - 2 - Question 5
If A is a skew-symmetric matrix, then trace of A is
then x and y will be
is singular, then λ equals
Detailed Solution for Test: Matrices & Determinants - 2 - Question 8
Test: Matrices & Determinants - 2 - Question 9
If A = 
are two matrices such that the product AB is a null matrix, then -is
Test: Matrices & Determinants - 2 - Question 10
If A is a square matrix such that AA` = I, then value of A`A is
Test: Matrices & Determinants - 2 - Question 11
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
If A is a 3-rowed square matrix, then | 5 A | is equal to
Test: Matrices & Determinants - 2 - Question 13
In the determinant 
, the ratio of the cofactor to its minor of the element – 3 is
is
Test: Matrices & Determinants - 2 - Question 15
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
If A is a square matrix of order 4, and I is a unit matrix, then it is true that
then x is
= 0 are
is
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