Question # 1

cos (α+β) + cos (α-β) =

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4 cosαcosβ

2 cosαcosβ

2 sinαsinβ

2 sinαcosβ

If n is any positive integer then n²> n + 3 for

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2x cos x2

2sinxcosx

- sin x2

2x sin x2

a >b ⇒a +c >b +c is known as

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Trichotomy property

Additive property of inequality

Transitive property

Multiplicative property

If f(x) = x²then f(2) is

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-2

2

4

-4

The nth term of an A.P., is 12-4n. Its common difference is

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8

4

16

Range of cosθis

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cos h²x + sin h² x

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an even function

an odd function

an even and implicit function

neither even nor a odd

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6

20

0

If #n = (n-5)2 + 5, then find #3 x #4.

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54

12

4

9

θ and 2kπ+θ are the ________ angles

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Quadrantal angles

Coterminal

Allied

None

If A is an event then which of the following is true

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P(A)<0

0≥P(A)≤1

P(A)>0

None

If p and q are two statements then their biconditional 'p if q' is denoted by

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The span of a standard parabola depends upon

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x

a

y

y2

If ∀a,b ε R,then a +b ε R is a property

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Closure law of addition

Associative law of addition

Additive inverse

Additive identity

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1

-1

5

2

The roots of the equation 2^2x- 10.2^x+ 16 = 0 are

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2, 8

1, 3

1, 8

2, 3

The tangent to the parabola y2 =4ax and perpendicular line from the focus on it meet

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x =0

y =0

x =-9

y = -a

A vector of magnitude zero is called

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Position vector

Null vector

Free vector

None of these

The straight lines represented by the equation ax2+ 2hxy +by2 =0 intersects at

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(1,1)

(0,1)

(1,0)

(0,0)

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A is proper subset of B

A is an improper subset of B

A is equivalent to B

B is subset of A

If a polynomial P(x) is divided by x + a, then the remiander is

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P(a)

P(-a)

P(0)

None of these

Zero is

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An irrational number

A rational number

A negative integer

A positive number

The behavior of trigonometric function is called

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Continuity

Discontinuity

Periodicity

Smoothness

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0

1

2

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1

-i

i

0

P∉ A means

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Pis subset of A

Pis an element of A

P does not belongs to A

A does not element of P

The principal value of sin^-1(-1/2)

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π/3

π/4

π/6

-π/6

(a,b) +(-a,-b) =

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(0,0)

(a,b)

(-a,-b)

(1,1)

202.04 is an example of

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Recurring decimals

Non-recurring decimals

Terminating decimals

None of above

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