Question # 1

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3/4

-3/4

4/3

-4/3

The first three terms in the expansion of (1 + x)^-2are ______

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1 - 2x + 3x²

1 - 2x - 3x²

1 + 2x + 3x²

-2 -2x + 3x²

tan(π-θ)=_____;

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tanθ

cotθ

-tanθ

-cotθ

∀a,b, c ε R,a +c = b + c = > a = b

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Reflexive property

Symmetric property

Cancellations property w.r.t. addition

Transitive property

The set {Z\{0}} is group w.r.t

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Addition

Multiplication

Division

Subtraction

n(n - 1) (n - 2) .... (n - r + 1) = ______

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The probability of getting a number between 1 and 100 which is divisible by 1 and itself if only is

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1 / 4

1 / 2

3 / 4

25 / 98

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0

-1

1

2

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3x²+ 2

3x²+ 2x + 3

x³+ x²

none of these

If P, Q, R be the A.M., G.M., H.M. respectively between any two rational numbers a and b, then P - Q is

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Inverse of the function y-10x is

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y=logx

y=lnx

x=10y

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

The range of y=x2 + 1 is the set of non-negative real numbers except

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0≤ y < 1

0 < y < 1

0≤ y≤ 1

0 < y≤1

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Additive property in R

Multiplication property in R

Cancellation property in R

Distribution property in R

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cos x

sec x tan x

sec²x

-cosec²x

Sin^-1(-x)=

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Cos^-11/x

- Sin^-1X

Cot^-1X

None of these

The point lying on the terminal rat of -270° is

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(1,0)

(0,-1)

(0,1)

(-1,0)

If x = 1/x for x ∈ R then the value of x is

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±1

0

2

4

Riaz, Saba. Maria, Shehzad are to give speeches in a class. The teacher can arrange the order of their presentation in

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4 ways

12 ways

256 ways

24 ways

The axis of the parabola x² = 4ay is:

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y = 0

x = 0

x = -a

y = a

The line 2x +√6y =2 is a tangent to the curve x2 -2y2 =4 The point of contact is

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(√6,1)

(2,3)

(7,-2√6)

(4,-√6)

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

A Geometric Series is divergent only if

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|r|>1

|r|≥1

|r|=1

None of these

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none of these

If the sum of co-efficient in the expansion of (a+b)ⁿis 4096, then the greatest co-efficient in the expansion is

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1594

792

924

2924

The vector i = [1,0] is called unit vector along:

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x-axis

y - axis

z- axis

Botha a and y-axis

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0

1

-1

None of these

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Every term of a G.P. is positive and also every term is the sum of two preceding terms. Then the common ratio of the G.P. is

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