Math Ch 3 Matrices and Determinants

NET Practice Test

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If a matrix A has only one row then it is called:

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Inverse of a matrix exists if it is:

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If A is symmetric (Skew symmetric), then ?^?must be

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The horizontal lines of numbers in a matrix are called:

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For any matrix A , it is always true that

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The main diagonal elements of a skew symmetric matrix must be:

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For any two matrices A and B ,(? + ?)^? =

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The value of ? for which the system ? + ?? = ?; ?? + ?? = −? does not possess the uniquesolution

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If the system of linear equations have no solution at all, then it is called a/an

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The main diagonal elements of a skew hermitian matrix must be:

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A rectangular array of numbers enclosed by a square brackets is called:

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53. The inverse of unit matrix is:

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52. If the system ? + ?? = ?; ?? + ?? = ? has non-trivial solution, then ? is:

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. If A is any square matrix then ? + ?^?is a

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The matrix [𝟕] is :

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In a homogeneous system of linear equations , the solution (0,0,0) is:

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6. A matrix A is called real if all ??? are

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Which of the property does not hold matrix multiplication?

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For the square matrix 𝑨 = [𝒂𝒊𝒋]𝒏×𝒏 then 𝒂𝟏𝟏, 𝒂𝟐𝟐, 𝒂𝟑𝟑…𝒂𝒏𝒏 are:

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If a matrix of order ? × ? then the matrix of order ? × ? is :

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Which of the following Sets is a field.

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. If A is any square matrix then ? − ?^?is a

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54. Transpose of a row matrix is:

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If a matrix A has different number of rows and columns then A is called:

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If ?? = ? then ? is equal to:(a) ?? (b) ✔ ?−1? (c) ?−1? (d) ??

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In echelon form of matrix, the first non zero entry is called:

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The vertical lines of numbers in a matrix are called:

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The number of non zero rows in echelon form of a matrix is called:

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If a matrix A has only one column then it is called:

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. The multiplicative inverse of a matrix exist only if it is:

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Which of the following Sets is not a field.

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If order of ? is ? × ? and order of B is ? × ? then order of AB is(a) ? × ? (b) ? × ? (d) ? × ? (d) ✔? × �

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If a matrix A has same number of rows and columns then A is called:

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Any matrix A is called singular if:

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The element 𝒂𝒊𝒋 of any matrix A is present in:

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If a matrix A has ? rows and ? columns , then order of A is

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For a square matrix ? = [???]if all ??? = ?, ? ≠ ? and at least ??? ≠ ?, ? = ? then A is called:

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If all entries of a square matrix of order ? is multiplied by ?, then value of |??| is equal to:

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Let A be a matrix and ? is an integer then ? + ? + ? + ⋯ to ? terms

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For a square matrix ? = [???]if all ??? = ?, ? ≠ ? and all ??? = ?(??? − ????) for ? = ? then A is called:

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. The additive inverse of a matrix exist only if it is:

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If ?? = ? then ? =

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Ali Durrani

This is very good MashAllah.. nice work

## One response to “NET Mathematics Practice MCQs Chapter 3”

This is very good MashAllah.. nice work