Question # 1

The differential equation of all st. lines which are at a constant distance to form the origin is

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The domain of f(x) = log x is

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[0,∞]

(0,∞)

[0,∞[

[∞,∞]

cos(π/2-θ) = ________;

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cosθ

sinθ

-cosθ

-sinθ

The range of y = cot x = ______

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-∞> y > +∞

-∞> x > +∞

-∞ <y < +∞

None of above

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none of these

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Point (2,0) lies on trigonometric function f(x)=______;

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sinx

cosx

tanx

secx

The function f : x→ y defined as f (x) =α∀x∈ X,α∈ y is called

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Constant function

Polynomial function

Identity function

Linear function

A line joining two distinct points on a parabola is called

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Axis

Directrix

Chord

Tangent

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

The equation of the line with gradient 1 passing through the point (h,k) is

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Y = x+ k-h

Y = k/hx +1

Y = x + h -l

Ky = hx =1

If sin θ= 3/5 Cos θ=

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1/2

3/5

4/5

1

Sin^-1 (-x) =?

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Sin^-1 x

-Sin^-1 x

Cos^-1 x

-Cos^-1 x

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

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Boundary

Inequality

Half plane

Vertex

If 4 - x > 5, then

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x > 1

x > -1

x < 1

x < -1

A function F(x) is called even if

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F(x) = F(-x)

F(x) = -F(x)

2F(x) = 0

π/3 is

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A positive integer

A negative integer

A natural number

An irrational number

The number of ways in which we can courier 5 packets to 10 cities is

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2 x 5^o

5¹⁰

10⁵

2¹⁰

What is the conjugate of -7 -2i ?

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-7 + 2i

7 + 2i

7-2i

√53

The set of all positive even integers is

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Φ

{1,2,3}

{Φ}

{0}

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