Question # 1

Do AB = BA?

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Never

Yes

May or may not

None of these

The order of matrix [a]

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1 x 1

2 x 1

0 x 1

1 x 0

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Do (A + B) + C = A + (B + C)?

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No

Yes

May or may not

Never

A square matrix A is said to be singular if

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In binary system the base of the system is:

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2

5

8

10

Any matrix "A" is a symmetric matrix if

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A = A

A = A^t

A = -A^t

A = A-I

Cramer's rule is used to solve

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System of quadratic equation

System of linear equation

Any system of equation

None

In decimal system base of system is:

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2

5

8

10

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We cannot find the inverse of a:

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Square matrix

Diagonal matrix

Triangular matrix

Singular matrix

Order of the matrix having m rows and n columns is:

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m + n

m - n

m / n

m x n

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Unit matrix

Diagonal matrix

Square matrix

Singular matrix

If A is matrix of order mxn then to get AB, the matrix B must be order of

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m x m

P x P

m x P

n x P

In a square matrix number of rows and column are

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Equal

Now equal

Greater

Less then

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