Question # 1

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

Domain of cosecθis

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Cofactor of an element a_ijis defined by

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(-1)^i+j|A|

(-1)^i+jM_ij

(-1)^i+jM^-1

None of these

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If 4 > b or a < b than a = b is a

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Additive property

Transitive property

Trichotomy property of inequality

None of above

a >b ⇒a +c >b +c is known as

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Trichotomy property

Additive property of inequality

Transitive property

Multiplicative property

x³+ 2x²- 3x + 5 is ______

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An equation

A polynomial

Proper rational fractions

Improper rational fractions

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A variable

A constant

0

None of these

The sum of the roots of the equation x2 -6x +2 = 0 is

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-6

2

-2

6

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e-radii are denoted by

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η

r2

r3

All of these

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We solve the system of non-homogeneous linear equations by

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a and b

b and c

c and a

a,b and c

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The law of sines

The law of tangents

The pythagorus theorem

None of these

Union of the sets of rational and irrational numbers is called 6th set of

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Natural numbers

Real numbers

Whole numbers

Prime numbers

The eccentricity of the parabola y²= -8x is

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-2

2

-1

1

Multiplicative inverse of 0 is

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0

1

±1

Does not exist

If distance of (a,b) from y-axis is 2 then

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a = 2

b = 2

a = b

a = 4

The coefficient of x¹⁰in the expansion (x³+3/x²)¹⁰is

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1700

17023

17027

17010

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A triangle has six

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side

elements

angle

tangents

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a = 2, b = 3

a = 3, b = 2

a = 2, b = 1, 2

a = 3, b = 3

The law of cosines reduces to a2 +c2 =b2 for

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α = 90°

β = 90°

γ = 90°

α +β +γ =180°

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0

abc

1/abc

None of these

Equation of normal to the circle x2 + y2 =25 at (5cosθ,5sinθ)

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xcosθ+ysinθ =5

xcosθ -ysinθ =0

xsinθ -ycosθ =0

None of these

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

Probability of an impossible event is

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0

-1

1

∞

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(7,9) +(3,-5) =

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(4,4)

(10,4)

(9,-5)

(7,3)

If the expansion of (1 + x)²⁰, then co-efficient of rth ad (r + 4)th term are equal, then r is

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7

8

9

10

The general equation of a circle is

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