Question # 1

An A.P. consists of n(odd terms) and its middle term is m. then the sum of the A.P. is

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2 mn

1/2 mn

mn

mn²

The set of complex numbers forms a group under the binary operation of

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Addition

none of these

Division

Subtraction

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0

1

none of these

If n is not natural number, then the expansion (1 + x)ⁿis valid for

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The multiplicative inverse of 2/3 is

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3/2

-2/3

-3/2

1

If the function y=2x -3, what is the preimage of 11?

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11

7

5

2

If Projvu = Projuv, then

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Uand vare parallel

|u|=|v|

Uandvre perpendicular

One ofuorv

(x-1) is a factor of

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2x³-3x²+9

2x³-5x-8

48x^2-46x-9

x⁹-1

The inclination of a line parallel to x-axis is

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Onto function is also called

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Binjective function

Injective function

Surjechive function

None of these

∀a,b ε R, ab = be is a

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Commutative law of multiplication

Closure law of multiplication

Associative law of multiplication

Multiplicative identity

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sec 3x + c

- cosec 3x + c

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At

-A

A

A-1

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a^xIn a + c

a^x+ c

x a^x+ c

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The periods of the function f(x) = x[x] is

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1

2

Non periodic

None of these

The logic in which every statement is regarded as true or false and no other possibility is called

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Aristotelian login

Inductive logic

Non-Aristotelian logic

None of these

∀ z ∈ C, multipliucative is

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(1,1)

(1,0)

(0,1)

None of these

If cosα= 4/5, then cosα/2

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An integral of 1/x dx is:

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1/x²

1/-x²

1/lnx

lnx

6 is

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A prime integer

An irrational number

A rational number

An odd integer

The process of finding the unknown elements in triangle is called the

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solution of the triangle

Mean differnece

Engineering distance

angle of depressin

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An expression

Rational fraction

Equation

Identity

√2 +√3 +√5) = (√2 +√3 +√5: this property is called

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associative property w.r.t addition

commutative property

Closure property w.r.t addition

Additive identity

(a +bi) -c (c +di) =

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(a +b) = (c +d)

(a +c) + i(b +d)

(a -c) + (c -d)i

(a -c) +(b -d) i

One degree is denoted by

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1⁰

1'

1"

1 rad

If f(x) = tan x then f(0) is

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0

1

1/2

Multiplicative inverse of 0 is

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0

1

±1

Does not exist

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