Question # 1

The set Q

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Forms a group under addition

Does not form a group

Contains no additive indentity

Contains no additive inverse

i is equal

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(1 , 0)

(0 , 1)

(1 , 1)

(0 , 0)

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2

6

The mid point of the line segment joining the points (3,-1) and (-3,1) is

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(3,-1)

(0,0)

(2,2)

(4,4)

A point of a solution regions where two of its boundary lines intersect, is called:

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Vertex of the solution

Feasible point

Point of inequality

Null point of the solution region

The radius of the circle 2x²+ 2y²- 4x + 12 y+11=0 is:

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√4.5

√11

√29

√15

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If the terminal rays of an angle falls on any axis then the angle is called

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Allied angle

Acute angle

Standard position

Quadrantal angle

A circle which touches one side of a triangle extermally and the other two sides produced is called

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In-circle

Circumcircle

e-circle

Point circle

The number of terms in the expansion of (a + x)¹²is

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13

12

11

10

If the roots of ax²+ b = 0 are real and distinct then

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ab > 0

a = 0

ab < 0

a > 0, b > 0

Which is an explicit function

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y = x²+ 2x - 1

x²+ xy + y²= 2

x²+ y²= xy + 2

All are

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The value of x, and y, when (x + iy)²= 5 + 4i

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X = 2, y = -1

X = -2, y=1

X = 2, y = -1

X = 2, y = 2

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A onto B

both a & c

A into B

none of these

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None

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{x : xε Z and x < 1} is

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Singleton set

A set with two points

Empty set

None of these

If z₁= 2 + 6i and z₂= 3 + 7i, then which expression defines the product of z₁and z₂?

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36 + (-32)i

-36 + 32i

6 + (-11)1

0, +(-12)i

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