Question # 1

The function f : x→ y defined as f (x) =α∀x∈ X,α∈ y is called

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Constant function

Polynomial function

Identity function

Linear function

An infinite sequence has no

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nth term

Last term

Sum

None of these

Which is not a half plane

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ax + by < c

ax + by > c

Both A and B

None

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1

0

5

2

The law of cosines reduces to a2 +c2 =b2 for

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α = 90°

β = 90°

γ = 90°

α +β +γ =180°

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The parametric equation of a curve are x = t², y = t³then

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sin^-1 x =

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tan^-1 x

Cosec^-1 x

Cosec x

cosec^-1(1/x)

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The degree of the polynomial 2x⁴ + 3x² + 16x + 28 = x⁴ + 2x² is

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[a_{ij -}b_ji]

[a_{ij -}b_ij]

[a_{ij] - [}b_ij]

The statement that a group can have more than one identity elements is

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True

False

Fallacious

Some times true

A fraction in which the degree of the numerator is less than the degree of the denominator is called

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1-i √-3 / 2

-1+i √-3 / 2i

-1+i √3 / 2

1+i √3 / 2

If 2 Sin x Cos 2 x = Sin x then?

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X = nπ+ π/6

X = nπ +π/3

X = nπ +1

X = nπ + π/2

A die is thrown what is the probability that there is a prime number on the top?

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1/2

1/3

1/6

2/3

Which of the following is the subset of all sets ?

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A ≠ C

B = C

A = B

A ≠ B

What is the domain of y= Sin^-1 x?

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-1 ≤ x ≤1

1 ≤ x ≤ 1

0 ≤ x ≤ π

-π/2 ≤ x ≤ π/2

Unit vector in the positive direction of x-axis is

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î

ĵ

k̂

All

If any two rows (or any two columns) of a square matrix are inter changed, the determinant of the resultant matrix is

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True

False

Fallacious

Some times true

If A = (3,8) and B = (5,6) then the distance between A and B is

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2√2

2

1

6

The magnitude of a vector can never be

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Zero

Negative

Positive

Absolute

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