Question # 1

If z = (x,y) , then z ̅ =

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(-x,y)

(x,-y)

(-x, -y)

None of these

The set of the first elements of the orders pairs forming a relations is called its

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Relation in B

Range

Domain

Relation in A

Co-ordinate of a point on the parabola y² = 8x whose focal distance is 4 are:

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(2 , 4)

(-2 ,-4)

(-2, 4)

(2,-4)

If n is any positive integer then n! > n²for

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Commutative law of addition

Associative law of addition

Additive identity

Additive inverse

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Cos^-1 12/13 =

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tan^-1 3/5

cot^-1 13/12

Sec^-1 13/12

sin^-1 5/13

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A

-A

A^t

A^-

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6

20

0

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sec x tan x

cos²x

sin²x

sec²x

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