Question # 1

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An expression

Rational fraction

Equation

Identity

If the trace of matrix A is 5, then the trace of the matrix 3A is

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3/5

5/3

8

15

Which of the following function form 1 to itself are bi-jective

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F(x) = x + 3

F(x) = x⁵

F(x) = 3x + 2

F(x) = x²+ x

The axis of the parabola x² = 4ay is:

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y = 0

x = 0

x = -a

y = a

The arbitrary constants involving in the solution can be determined by the given conditions. Such conditions are called

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Boundaries

Variable separable

Initial values

None

Arithmetic mean between 14 and 18 is

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16

17

15

32

i =

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The numbers of G₁, G₂, G₃...... G_nare called n geometric means between a and b is a, G₁, G_2,G₃, ... G_n, b are in

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H.P.

A.P.

G.P.

None of these

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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

(ABC)' =

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CBA'

CBA

C'B'A

C'B'A'

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