Question # 1

Domain of cosec x is ______

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The function f{(x, y) | y = ax²+ bx + c} is

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One-one function

Constant function

Onto function

Quadratic function

The set R is ........w.r.t subtraction

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Not a group

A group

No conclusion drawn

Non commutative group

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A^-

A^t

-A

A

The range of the principle cos function is

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A rational number

A irrational number

An even integer

A factor of 36

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

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

E-radius corresponding to < C is

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If G is the centroid of the triangle, then GA +GB+GC=

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0

1

-1

3

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