Question # 1

Which is not a half plane

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ax + by < c

ax + by > c

Both A and B

None

Which is an explicit function

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y = x² +2x -1

x² +xy +y² =2

xy² -y +9/xy =1

All are

In the figure angle A is =

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15

60

90

20

If -1 < x < 0, which of the following statement must be true?

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x < x² < x²

x < x³ < x²

x² < x³ < x

x²< x < x³

Which of the following is not defined?

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Arcsin 1/9

ArcCos (-4/3)

Arctan 11/12

Arccot (-4)

The number of ways in which we can courier 5 packets to 10 cities is

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2 x 5^o

5¹⁰

10⁵

2¹⁰

The graph of a quadratic function is

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Circle

Ellipse

Parabola

Hexagon

d/dx (√x) =

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2√x

1/√x

1/2√x

None of these

Period is Tan x/5 is

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5π

4π

2π

π/5

If |A| ≠ 0 then A is called

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1

-1

±1

0

∫sec (ax + b) tan(ax + b) dx=_______

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sec(ax + b)/a

sec² (ax + b)/2

sec(ax + b)/x

1/2

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NAT I Engineering Mathematics MCQs With Answers

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