Question # 1

The matrix A = [aij]1xn is a

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Vector

Rectangular matrix

Column vector

Square matrix

If x³+ ax²- a²x - a³is divided by x + a, then the remainder is

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0

a³

2a³

-2a³

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Associative law of multiplication

Commutative law of addition

Commutative law of multiplication

Associative law of addition

The mid point of the line segment joining the points A(-8,3) and B(2,-1) is

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(-3,1)

(-6,2)

(5,2)

(-5,2)

The set {x|x∈N∧x-4=0} in tabular form is

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{-4}

{0}

{}

None of these

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A

B

U

None of these

The angles with some initial and terminal sides are called

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Quadrantal angles

Coterminal angles

Allied angles

None

If f(x) = -x³then f(-2) is

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-2

-4

-8

8

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The sum of coefficients in the binomial expansion equals to

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2

2ⁿ⁺¹

2^n-1

2ⁿ

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(0.90)^1/2is equal to

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0.99

0.90

0.80

0.88

The graph of the quadratic equation is

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Straight line

Circle

Parabola

elipse

The coordinates of the point that divides the join of A(-6,3) and B(5, -2) in the ratio 2:3 internally

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The process of finding a function whose derivative is given is called a

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Differentiation

Integration

Differential

None

The vertex of the parabola (xsin a -ycos a)2 =4a(xcos a +ysin a) lies at

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(acos a,asin a)

(a,0)

(cos a,sin a)

(0,0)

If the cutting plane is slightly tilted and cuts only one nappe of the cone, the intersection is

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an ellipse

a hyperbola

a circle

a parabola

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A

A'

U

None of these

The additive inverse of a matrix A is

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None of these

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0

1

If f(x) = x³- 2x²+ 4x -1 then f(0) is

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0

1

-1

none of these

θ and 2kπ+θ are the ________ angles

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Quadrantal angles

Coterminal

Allied

None

An expression involving any of the symbols <,>,< or > is called

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equation

inequality

linear equation

identity

If cosα= 4/5, then cosα/2

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The distance between the points (0 , 0) and (2, 1) is

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5

0

3

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The distance of a moving particle at any instant t is x = 3t2 +1 then velocity of particle at t = 10 is

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50 cm/sec

60 cm/sec

61 cm/sec

None of these

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0

1

-1

2

If distance between (a,2) and (0,0) is 2 then a = _______

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0

2

4

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