Question # 1

3x + 4 < 0 is

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inequality

equation

identity

not inequality

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In(x²- x + 1) + c

In(2x - 1) + c

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-8

8

8i

32

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The seventh term of (x3+1/x)8is

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71

-22

27

28

If the intersecting plane is parallel to a generator of the cone, but intersects its one nappe only, the curve obtained is

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an ellipse

a hyperbola

a circle

a parabola

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QUQ, =

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N

R

W

Z

If n € N , then n(n+3) is always

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Multiple of 3

Multiple of 6

odd

even

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0

1

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Scalar matrix

Identity matrix

Null matrix

Symmetric matrix

The points of intersection of the line y = 2x -3 and the circle x²+ y² - 3x =2y -3 = 0 are:

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two

three

less thean two

not intersect

A box containing 10 mangoes out of which 4 are rotter. Two mangoes are taken together from the box. If one of them is found to be good, the probability that the other is also good is

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1 / 3

8 / 15

5 / 13

5 / 9

The 5th term of (3a-2b)^-1is

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77b²/a⁵

16b²/243 a⁵

17b⁴/43a⁵

25b³/43a⁵

The set {x +iy / x, y ∈ Q} forms a group under the binary operation of

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Addition

Multiplication

Division

Both addition and multiplication

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Range of tan x is ______

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[-1, -]

R

Negative real numbers

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

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1

3

2-i

-1

For all points (x,y) in fourth quadrant

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x > 0 , y < 0

x > 0 , y > 0

x < 0 , y < 0

x < 0 , y > 0

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none of these

3/4 is ______

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An odd number

An even number

A natural number

A rational number

The modulus of a vector i-i+ k is:

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√3

1

√2

∞

Which of the following has the same value as i113

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i

-1

-i

1

The angle of depression of the point at a distance 70 meters from the foot of the tower from the top of the tower is 45^𝜊.The height of the tower is

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37m

97m

101m

70m

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cos x + c

-sin x + c

-cos x + c

sin x + c

The graph of linear equation 2x + 3y = 10

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Parabola

Circle

Hyperbola

Straight line

The positive value of k for which the equation x2 + kx + 64 = 0 has one of the roots 0

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4

64

8

All values of k

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The general equation of circle x³ + y³ + 2gx + 2fy + c = 0 , contains:

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Three independent variables

Two independent conntants

Three indepentent parameters

Three independent constants

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