Question # 1

A = [3] is a/an

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Square matrix

Scalar matrix

Diagonal matrix

Identity matrix

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none of these

If a parabola opens down, then its vertex is at the

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Right of the parabola

Left of parabola

Lowest point on the parabola

Highest point on the parabola

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

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The real number system contains.

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Positive Numbers

Negative numbers

Zero

(option a, b and c)

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[0, 0, 0]

[1, 0, 0]

[0, 1, 0]

[0, 0, 1]

The area bounded by y = x (x2 - 4) and below x - axis is

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4

0

-4

8

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0

1

-1

none of these

The range of the tangent function is

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all real numbers

-1 ≤ x ≥ 1

natural number

z⁺

If n is odd then the middle terms in the expansion of (a + x)ⁿare

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The second degree equation of the form Ax2 +By2 +Gx +Fy +C =0 represent hyperbola if

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A = B≠ 0

A≠ B and both are of same sign

A≠ B both are of opposite sign

Either A = 0 or B =0

π/3 is

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A positive integer

A negative integer

A natural number

An irrational number

If a line passes through origin then the equation of the line is

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y = m/x

y = mx

x = my

None

The multiplicative inverse of -1 in the set {1-,1} is

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40

30

50

20

If in isosceles right angled triangle one side is a then hypotenuse is

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a√2

a/2

a

Cannot be determined by given

For any set X, X∪X is

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15

15i

-15i

-15

A point of a solution region where two of its boundary lines intersect is called

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Boundary

Inequality

Half plane

Vertex

The set of complex numbers forms a group under the binary operation of

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0

±1

1

{0,1}

What is the period of Cot x?

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2π

π

π/2

4π

Which of the following is the equation of a line with slope 0 and passing through the point (4,3)

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X =4

X = -4

Y = 3

Y = -6

A fraction in which the degree of the numerator is less than the degree of the denominator is called

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1-i √-3 / 2

-1+i √-3 / 2i

-1+i √3 / 2

1+i √3 / 2

Period is Tan x/5 is

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5π

4π

2π

π/5

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