Question # 1

f(x) = x is

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trigonometric function

exponential function

quadratic function

identify function

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Minor of an element a_ijis denoted by

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M_ij

A_ij

|A|

None of these

Let S_ndenote the sum of the first n terms of an A.P. If S_2n= 3 S_n: S_nis equal to

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4

6

8

10

______________ invented a symbolic way to write the statement "y is a function of x" as y= f(x)

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Leibniz

Newton

Euler

None of these

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3.5+5.4=5.4+3.5 =8.9 this property of addition is called

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additive identity

assoclative property

commulative property

closure property

The area enclosed between the graph y = x²-4x and the x- axis is:

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20/3

41/3

32/3

25/3

The minimum value of the quadratic function f(x) = 5 x 2-11,is

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7

-7

6

-11

tan (π-θ) = ______

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- sinθ

- tanθ

- cosθ

- cotθ

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2x

2

For three consecutive terms in A.P middle term is called

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A.M

nth term

Central term

None of these

(-28,12) divides the join of A(-6,3) and B(5,-2) in ratio

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1:2

3:2

2:3

2:1

a >b ⇒a +c >b +c is known as

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Trichotomy property

Additive property of inequality

Transitive property

Multiplicative property

{1, 2, 3, 4,.....} is set of ______

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Natural numbers

Whole numbers

Integers

Rational numbers

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If three unequal numbers p, q, r are in H.P. and their squares are in A.P., then the ration p : q : r is

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If k2x2 +2hxy- 4y2 =0 represents two perpendicular lines then

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k = 2

k = ±2

k = -2

k ≠0

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The logic in which every statement is regarded as true or false and no other possibility is called

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Aristotelian login

Inductive logic

Non-Aristotelian logic

None of these

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Diagonal matrix

Scalar matrix

Triangular matrix

Identity matrix

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0

1

-1

None of these

The first three terms in the expansion of (1 - x)^-3are

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1 + 3x + 6x²

1 - 3x + 6x²

-3 - 3x - 6x²

1 - 3x - 6x²

6 is

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A prime integar

An irrational number

A rational number

An odd integer

The term involving x⁴ in the expansion (3-2x) is

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217x⁴

15120x⁴

313x⁴

-25x⁴

If A ⊆ B then A ∪ B is

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A

B

A'

A ∩B

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Hermitian matrix

Skew-hermitian matrix

Symmetric matrix

Identity matrix

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