Question # 1

Which matrix has no multiplicative inverse?

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unit matrix

singular matrix

non - singular matrix

diagonal matrix

The symbol ">" stand for:

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greater than

less than

less than or equal to

greater than and equal to

IF At = -A then matrix A is called a:

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symmetric matrix

skew - symmetric matrix

transpose of matrix

identity matrix

Which matrix is said to be additive identity of any matrix:

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scalar matrix

diagonal matrix

zero matrix

unit matrix

A square or a rectangular array of numbers written within square brackets or parentheses in a definite order is called a:

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determinate

diagonal

matrix

row

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uv-yx

vx - uv

uy - vx

0

Which of the following is a column matrix?

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2-By -1

1-By-2

3-By-2

3-by-1

(AB)t = ?

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At + Bt

AtBt

BtAt

AB

If two matrices have same order and their corresponding elements are equal then they are called:

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equal matrices

unequal matrices

scalar matrices

rectangular matrices

A square matrix in which all the element except at least one element in the diagonal are zero is called a:

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rectangular matrix

zero matrix

square matrix

diagonal matrix

A matrix consisting of only one row is called a:

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row matrix

column matrix

scalar matrix

rectangular matrix

Two matrices are conformable for addition if they are of the:

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same order

different order

order 2 x 2

order 3 x 3

If a order of matrix A is (m x p) and order of matrix B is (p x n). Then order of matrix AB is:

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m x p

p x n

m x n

n x n

The idea of matrices was introduced by:

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jobs burgi

Robert

Pythagoras

Arthur Cayley

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