Question # 1

The multiplicative inverse of -1 in the set {1-,1} is

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40

30

50

20

The parametric equation of a curve are x = t², y = t²then

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dy/dx =3t/2

dy/dx =t⁵

dy/dx =5t⁴

None

d/dx (3y⁴) =

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12y³ dy/dx

8y³

8y³ dy/dx

12y³

The set {1, -1, i, -i}, form a group under

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addition

multiplication

subtraction

None

Sin-1 [-1/2] = ______.

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∏/3

-∏/6

-∏/3

∏/6

The number of diagonals of a six sided figure are

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9

6

12

3

The nth term in G.P 3,-6,12,............ is

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25, 20

20, 10

20, 5

15, 10

If A and B are matrices such that AB=BA=I then

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A and B are multiplicative inverse of each other

A and B are additive inverses of each other

A and B are singular matrices

A and B are equal

Sin (2π -θ) =______.

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Cosθ

-Sinθ

-cosθ

Which is not included in the domain of Cos^-1 x

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0

1

-1

2

The circle (x -2)² + (y + 3)² =4 is not concentric with the circle

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(x -2)² + (y + 3)² =9

(x +2)² + (y - 3)² =4

(x -2)² + (y + 3)² =8

(x -2)² + (y + 3)² =5

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