Question # 1

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1

2

3

4

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A

A'

U

U'

Range if y = cos x is

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-1≤ y≤ 1

-1 < y < 1

-∞ < x < +∞

None of these

If A=B, then

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A⊂B and B⊂A

A⊆B and B⊈A

A⊆B and B⊆A

None of these

If one root of the equation x²- 3x + a = 0 is 2 then a = ______

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0

1

2

3

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0

1

If A is a skew-symmetric matrix of order n and P, any square matrix of order n.prove that P' AP is

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Skew-symmetric

Symmetric

Null

Diagonal

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x²+ 2x + c

(x²+ 2x -1)⁴+ c

The distance of the point (-2,3) from x-axis is

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-2

2

3

1

The point ________ is in the solution of the inequality 2x - 3y < 4

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(0, -2)

(1, -3)

(2, 2)

(3, 0)

If n € N , then n(n+3) is always

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Multiple of 3

Multiple of 6

odd

even

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3/4

r

v

None of these

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For non-trival solution |A| is

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non zero

A = 0

|A| = 0

At = 0

If n(X) = 18, n(X∩Y) = 7, n(X∪ Y) = 40 then n(Y) =

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1

12

5

29

The point which is closet to the focus of a parabola is:

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vertex

Chord

Focus

Directix

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Rational

Irrational

Non-real

Zero

The fifteenth term of (3-a)¹⁵ is

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-17a¹²

-945a¹³

-941a¹³

-515a¹²

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real number

complex number

rational number

irrational number

If one root of 5x2 + 13x + k = 0 be the reciprocal of the other root the value of k is

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0

2

1

5

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The value of the expression 3 cosθ+ 4 sinθθlie between

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-7 and 7

-25 and 25

-1 and 1

-5 and 5

Range of 3 sin x is ______

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[ -3, 3]

[-1, 1]

R

None of these

For graphing a linear inequality, solid line is drawn if the inequality involves the symbols:

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> or <

= or≠

= or >

If you are looking a high point from the ground, then the angle formed is

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Angle of elevation

Angle of depression

Right angle

Horizon

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The nth term of a G.P. is

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a₁rⁿ

a₁rⁿ⁺¹

a₁r^n-1

a₁r^-n

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