Question # 1

The range of function f(x)=-x2+2x-1 is

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R

(-∞,0]

(-∞,1]

[0,∞)

Geometrically the modulus of a complex number represents its distance from the

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Point (1,0)

Point (0,1)

Point (1,1)

Point (0,0)

The distance between two points P(x₁, y₁) and Q (x₂, y₂) is

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cos 6θ + cos 2 θ =_______;

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-2sin 4θ sin 2θ

2cos4θ cos2θ

2sin4θ cos2θ

2cos4θ sin2θ

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If for two events A and B , P(A∪B)=1,then events A and B are

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Certain events

Mutually exclusive

Complementary events

Independent

The number of terms in the expansion of (a + b)⁹is

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10

11

9

12

If 4 sin²θ=1, then values ofθare

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0

1

2

3

Fundamental law is

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Name the property used in 100 + 0 = 100

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Additive inverse

Multiplicative inverse

Additive identity

Multiplicative identity

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