Question # 1

22.5°=______

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A parabola

An ellipse

A hyperbola

A circle

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

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Polynomial

Equation

Proper fraction

Improper fraction

Tan^-11/x = ______

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sin x

sec^-1X

cot^-1X

None of these

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tan 3x + c

cot 3x + c

- cot 3x + c

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The eccentricity of the parabola y²= -8x is

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-2

2

-1

1

A line segment whose end points lie on a circle is called

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the secant of the circle

the arc of the circle

the chord of the circle

the circumference of the circle

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The set {{a,b}} is

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Infinite set

Singleton set

Two points set

None

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(x, y)

(kx, y)

(x, ky)

(kx, ky)

The period of the function csc x/4 us

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4x

π/4

8π

π/8

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Identity matrix

Diagonal matrix

Null matrix

Hermitian matrix

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0 is a symbol of

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singleton set

Empty set

Equivalent set

Infinite set

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Parallel to the plane

At right angles to the plane

Lies in the plane

Meet the plane obliquely

In the expansion of (a + x)ⁿthe sum of exponents of a and x in each term of the expansion is

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n + 1

n - 1

n

2n

O (0,0)is called:

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Position vector

Free vector

Unite vector

Null vector

The first three terms in the expansion of (1 - x)^-3are

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1 + 3x + 6x²

1 - 3x + 6x²

-3 - 3x - 6x²

1 - 3x - 6x²

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If (2, 3) and (2, 5) are end points of a diameter of a circle, then the centre of the circle is

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(2, 4)

(4, 8)

(0, 2)

(0, -2)

The unit vector along z-axis is

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none of these

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4

6

8

10

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2

0

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Closure law of addition

Associative law of addition

Additive inverse

Additive identity

For all positive integral value of n,3ⁿ< n! , when

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n> 6

n< 6

n<11

n>11

6 is

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A prime integer

An irrational number

A rational number

An odd integer

The remove the term involving xy, from 7x2 -6√3xy+ 13y2 -16 =0 the angel of rotation is

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θ = 30°

θ = 45°

θ = 60°

θ = 75°

The roots of the equation will be irrational if b²- 4ac is

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Positive and perfect square

Positive but not a perfect square

Negative

Zero

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