Question # 1

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-1

0

1

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Which element is the additive inverse of (a, b) in Complex numbers?

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(a, 0)

(0, b)

(a, b)

(-a, -b)

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0

1

The equation of the tangent at vertex to the parabola is y2 = -8(x -3)

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y=0

x=3

x=1

x=5

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4x + 1

4x

2x³

none of these

The differential equation representing the family of curves y = A cos (x + B), where A, B are parameters, is

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The law of sines

The law of tangents

The pythagorus theorem

None of these

y=0 of the parabola y² = 4ax is the

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equation of directirx

Equatio of the tangent

Equation of axis

equation of latus rectum

Minor of an element a_ijis denoted by

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M_ij

A_ij

|A|

None of these

(a+bi) - (c+di)=

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(a+b) = (c+d)

(a+c) + i(b+d)

(a - c) + (c- d)i

(a - c)+ (b - d)i

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3/4

-3/4

4/3

-4/3

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