Question # 1

To draw general conclusions from well-known facts is called:

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logic

proposition

induction

deduction

A sequence of numbers whose reciprocal form an arithmetic sequence, is known as:

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arithmetic sequence

geometricsequence

harmonicsequence

none of these

For a positive integer n:

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(n+1)! = (n+1)n!

(n+1)! = (n+1)(n-1)!

n! = n(n+1)!

none of these

The period of tan 3x is:

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Arithmetic series is only possible if:

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|d| = 1

|d| < 1

|d| > 1

none

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diagonal matrix

The period of sec 3x is :

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Sum of all four fourth roots of unity is:

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1

0

-1

3

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equal sets

null sets

overlapping sets

subsets

For a square matrix A, |A| equals:

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A^t

|A^t|

-|A^t|

-A^t

In ax² + bx + c = 0, if b² - 4ac > 0 and perfect square the roots are:

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rational

irrational

equal

complex

The graph of x = sin y is obtained by reflecting the graph of y = sin x about the line:

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x axis

y axis

y = x

y = -x

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If x is positive or zero, then the principal value of any inverse function of x, if it exists lies in the interval:

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(a+b) x = ax + bx is:

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1

0

2

3

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A key ring is an example of:

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permutation

circulation permutation

combination

none

Factors of x² + y² are:

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(x + iy) (x - iy)

(x + y) (x - y)

(x + y) (x + y)

none

Fifth term of the sequence 2, 6, 11, 17.

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24

41

32

The lengths of the sides of a triangle are proportional to the sines of the opposite angles to the sides. This is known as:

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The law of sines

The law of cosines

The law of tangents

The fundamental law

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