Question # 1

The area under the curve y = 1/x² between x = 1 and x =4 is:

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-25

0.75

-0.35

-10

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The number of tangents to the circle x2+ y2 -8x -6y +9 =0 which pass through the point (3,-2) is

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2

1

0

None of these

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

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√4.5

√11

√29

√15

Under multiplication, solution set of is

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Groupoid

Abelian group

Semi group

All of these

1 radian = _____

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60°

57.296°

57.2°

180°

The square roots of negative numbers is called

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Real no

Complex no

Positive no

Negative no

Multiplicative inverse of "1" is

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0

-1

1

{0, 1}

0.25 is ______

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An irrational number

A natural number

A prime number

A rational number

i²=

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1

2

-1

0

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