Question # 1

I3 x | I₃ | = ?

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I₃

0

1

None of these

A square matrix A is said to be singular if

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Unit matrix

Diagonal matrix

Square matrix

Singular matrix

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Equal

Possible

Not possible

Zero

If Ax = B then x is

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BA^-1

AB

B/A

A^-1 B

Any matrix "A" is a symmetric matrix if:

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A = -A

A = A^t

A = -A^t

A = A^-t

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Do AB = BA?

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Never

Yes

May or may not

None of these

In a square matrix number of rows and column are

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Equal

Now equal

Greater

Less then

A square matrix whose elements below the main diagonal are all zero is called.

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Upper triangular matrix

Lower triangular matrix

Rectangular

Row matrix

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Business Mathematics Icom Part 1 Chapter 5 Online Test MCQs With Answers

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