Question # 1

The number of terms in the expansion of (a + x)¹²is

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13

12

11

10

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-2x³

2x^-3

-2x^-3

2x³

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1

2

3

4

If the sum of two unit vectors is a unit vector the the magnitude of their difference is

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√2

√3

1

None of these

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Reflexive property

Symmetric property

Transitive property

Additive property

Range of cos x is ______

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[-1, 1]

R

Negative real numbers

R - { x | - 1 < x < 1}

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Name the property used in 4 + 9 = 9 + 4

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Associative property of addition

Commutative property of addition

Distributive property

Additive identity

For a square matrix A, if A = A^t, then A is called

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matrix

Transpose

Symmetric

Non-symmetric

Some of two real numbers is also a real number , this property is called:

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Commutative property w.r.t addition

Closure property w.r.t. addition

Associative property w.r.t. addition

Distributive property w.r.t addition

Which of the following sets has closure property w.r.t. addition

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{ 0 }

{ 1 }

{ 0, -1}

{ 1, -1}

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