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Matrices_3

Authored by Karan Tapish

Mathematics

12th Grade

Used 4+ times

Matrices_3
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If A and B are symmetric matrices, then ABA is a

  Symmetric matrix   

Skew- symmetric matrix

Diagonal matrix

Scalar matrix

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If  a matrix is both symmetric and skew symmetric, then

A is a diagonal matrix

A is a zero matrix

A diagonal matrix   

  an upper triangular matrix.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 If A is 3×43\times4 matrix and B is a matrix such that ATB and BTA are both defined. Then B is of the type.

3×43\times4

3×33\times3

4×44\times4

4 ×\times 3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

  If AT − BTA^{T\ }-\ B^T is equal to

Media Image
Media Image
Media Image

None of these

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

If A is a skew symmetric matrix then the value of (a+b+c)2\left(a+b+c\right)^2

1

4

0

None Of these

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

If the matrix is symmetric then

x = 2 ; y = - 3

x = 2 ; y = 3

x = - 2 ; y = 3

x = - 2 ; y = - 3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The matrix given here is

Diagonal

Symmetric

Skew Symmetric

Scalar

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