Question # 1

One of the roots of the equation 2x² + 3x + n = 0 is the reciprocal of the other, then n = --------------------

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Both A,B have the same number of columns

Both A,B do not have the same order

Number of col A is same as number of rows of B

Number of rows of A is same as number of col of B

The conic is a parabola if

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e <1

e > 1

e = 1

e = 0

The cube roots of unity ω = -------------------------

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1-i √-3 / 2

-1+i √-3 / 2i

-1+i √3 / 2

1+i √3 / 2

The radius of the circle (x- 1)² + (y + 3)² =64 is

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8

2√2

4

64

If the diagonal of a square has coordinates (1,2) and(5,6) the length of a side is

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3

4

1

5

For which of the following ordered pairs (s,t) is s + t> and s- t < -3?

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(3,2)

(2,3)

(1,8)

(0,3)

Which of the following is not defined?

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Arcsin 1/9

ArcCos (-4/3)

Arctan 11/12

Arccot (-4)

Unit vector in the positive direction of x-axis is

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î

ĵ

k̂

All

The equation of the line with gradient 1 passing through the point (h,k) is

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Y = x+ k-h

Y = k/hx +1

Y = x + h -l

Ky = hx =1

If k₁ : k₂ = 1:1 then the point P dividing the line is

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Mid point

Extreme left point

Extreme Right point

Plies out side k₁ and k₂

What is the period of Cot x?

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2π

π

π/2

4π

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NAT I General Science Mathematics MCQs With Answers

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