Question # 1

0 (Zero) is

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An irrational number

A rational number

A negative integer

A positive number

The magnitude of a vector can never be

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Zero

Negative

Positive

Absolute

If A and B are matrices such that AB=BA=I then

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A and B are multiplicative inverse of each other

A and B are additive inverses of each other

. A and B are singular matrices

A and B are equal

A vector of magnitude zero is called

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Position vector

Null vector

Free vector

None of these

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1

0

-2

3

Which is in the solution set of 4x - 3y < 2

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(3, 0)

(4, 1)

(1, 3)

None

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If A and B are matrices of same order than (,A + B)(A + B) =

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A²+ B²

A²+ B²+ 2AB

A + B

A²+ B²+ AB + BA

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1

2

3

4

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