Question # 1

The curve f(x,y) = 0 has a central symmetry if

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f(-x,-y)=f(x,y)

f(x,-y)=f(x,y)

f(-x,y)=f(x,y)

f(-x,-y)≠f(x,y)

The period sin²θis

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π²

π

2π

π/2

√2 is a number

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Rational

Irrational

Even

Odd

The domain of the principle sine function is

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The middle term of the expansion (1 + 2x)⁶is ______

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1st term

4th term

2nd term

5th term

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The equations of the line thro' the point (2, 3, -5) and equally inclined to the axis are

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The range of the principle cot function is

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The solution set of x²- 5x + 6 = 0 is

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{1, 3}

{2, 3}

{1, 2}

None of these

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none of these

A class contains nine boys and three girls, in how many ways can the teacher choose a committee of four?

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460

495

272

60

If the domain of sequence is finite set then the sequence is called

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geometric sequence

infinite sequence

finite sequence

arithmetic sequence

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Orthogonal

Involutary

Idempotent

Nilpotent

Number of terms in the expansion of (a+x)ⁿis

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n - 1

n + 1

n + 2

n + 3

Rational number is a number which can be written as a terminating decimal fraction or a

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Non-terminating decimal fraction

Non-recurring

Recurring decimal fraction

a, b and c

The period of cot 8x is

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π/10

9π/7

π/9

π/8

If the vertex of the parabola is the origin and directrix is x+5 = 0 . then its latus rectum is:

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10

5

0

20

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square root function

identity function

linear function

quadratic function

If y=f(x) is a function then x is called

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dependent variable

independent variable

constant

none of these

Φset is the ______ of all sets?

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Subset

Union

Universal

Intersection

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The matrix A = [aij]1xn is a

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Vector

Rectangular matrix

Column vector

Square matrix

n(n - 1) (n - 2) in factorial form is

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n!

0!

1

None of these

The sum of even coefficient in the binomial expansion is

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2ⁿ⁺¹

2ⁿ

2^n-1

2n

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2, 3

3, 3

2, 6

2, 4

Every irrational number is

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A real number

A prime number

A natural number

An integer

f(x) = x³is:

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an odd function

an even function

an implicit function

a quadratic funtion

If S is a sample space and event set E = S then P(E) is

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>0

1

<1

0

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