Question # 1

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-a -b -c

1

0

-1

The additive inverse of a matrix A is

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None of these

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If A and B are skew-symmetric then (AB)t is

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At Bt

AB

-AB

BA

For trival solution |A| is

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A

|A| is non zero

A = 0

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A matrix with a single column is called

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Column matrix

Row matrix

Identity matrix

Null matrix

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A(α) - A(β)

A(α) + A(β)

A(α-β)

A(α+β)

The transpose of a row matrix is a ______

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Zero matrix

Diagonal matrix

Column matrix

Row matrix

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0

1

-A

-1

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At

-A

A

A-1

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0

1

2

3

For non-trival solution |A| is

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A = 0

A^t= 0

|A| = 0

None of these

The transport of a rectangular matrix is a

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Square matrix

Rectangular matrix

Row matrix

Column matrix

If for the matrix A,A5 = 1,then A-1=

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A2

A3

A

None of above

A = [3] is a/an

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Square matrix

Scalar matrix

Diagonal matrix

Identity matrix

Rank of matrix [1 3 5 0] is

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1

3

2

4

Minor of an element a_ijis denoted by

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M_ij

A_ij

|A|

None of these

A diagonal matrix in which the diagonal elements are equal is called a

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Null matrix

Identity matrix

Scalar matrix

Row matrix

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ECAT Pre General Science Mathematics Chapter 5 Matrics and Determinants Online Test MCQs With Answers

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