Question # 1

If|a| =|b| = |a+b|=1, then|a-b| is equal to:

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1

√3

√2

7

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(A ∩ B)c =

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A∩ B

(A ∪ B)c

Ac∪Bc

Φ

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 distance between the points (0 , 0) and (1, 2) is

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5

0

3

A polynomial P(x)has a factor (x-a)if P(a) =

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a

x

1

0

The distance between the points (0 , 0) and (2, 1) is

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5

0

3

The approximate increase in the area of a circular disc if its diameter increased form 44cm to 44.4cm is

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0.4cm

8.8πcm

17.6 πcm

35.2πcm

∀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, +) forms a group

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Forms a group w.r.t. addition

Non commutative group w.r.t. multiplication

Forms a group w.r.t multiplication

Doesn't form a group

Every natural number is

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A prime number

An irrational number

An integer

An even number

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