Question # 1

The general term of a sequence is denoted by

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a₁

a_n

n

s_n

Sec 30° = ______

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- cot 4x + c

cot 4x + c

tan 4x + c

- tan 4x + c

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2

4

3

16

i²=

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1

2

-1

0

In set builder notation the set {0, 1, 2, ............, 100} can be written as

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1 radian = ______

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180°

90°

57.296°

60°

If a +b +c =0 then which of the following is true

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a =b =c =0

a,b =b,c =c,a

a xb=b xc =c xa

None

Matrices A = [aij] 2 x 3 and B = [bij] 3 x 2 are suitable for

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BA

A2

AB

B2

The root of the quadratic equation are

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3

2

1

4

The inclination of a line parallel to y-axis is

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Ifθ= 60° then

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sinθ= 1/2

tanθ= cot 30°

θ=π/4

secθ= 4

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If distance of (a,b) from origin is 5 then

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a²+ b²=5

a = 5

b = 5

A relation in which the equality is true only for some values of the known is called ______

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An identity

An equation

A polynomial

None of these

One root of the equation cos x - x + 1/2 = 0 lies in the interval

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{x|x∈R∧x≠x} is a

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Infinite set

Null set

Finite set

None of these

A man of height 6 ft observes the top of a tower and the foot of the tower at angles of 45° and 30° of elevation and depression respectively. The height of the tower is

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1⁰= ______

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1.5 rad

0.5 rad

0.175 rad

None of these

The graph of a quadratic function is

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Circle

Ellipse

Parabola

Hexagon

(A∩Bc)c= -------------------------

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Ac∪Bc

Ac∪B

Ac∩B

None of these

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A∪(A∪B)= --------------------

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B

A

A∪B

None of these

If (0, 0) and (0, -1) are end points of a diameter, then the equation of the circle is

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If A = [aij]mxpand B =[aij]pxnthen order of BA is

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m x n

p x n

n x m

None of these

The set of the first elements of the ordered pairs forming a relation is called its

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Function on B

Range

Domain

A into B

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Associative property of addition

Associative property of multiplication

Commutative property of addition

Commutative property of multiplication

For a set A, A∪Ac= ---------------------

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A

∅

Ac

U

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1

2

3

4

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