Chapter 1

When will A x B be equal to BxA?

• A>B

• A=B

• A<B

• not possible

The word ______ is to mean

any quantity varying from point to point of a curve.

• Curve

• Cartesian product

• Relation

• Function

______ is the set of all points which we call as the

cartesian plane.

• A X A

• N X N

• R X R

• Z X Z

Cartesian product of two non-empty sets provides

_______ in two dimensions and cartesian product of three

non-empty sets provide ______ in three dimensions.

• Object, shape

• a shape, an object

• curve, line

• line, curve

Range of R

• Subset of B

• Subset of A

• A

• B

Domain of R

• Subset of B

• Subset of A

• A

• B

Co Domain of R

• Subset of A

• Subset of B

• A

• B

If n(A) = p , n(B) =q ,

then the total number of

relations that exist from A

to B is _____

A relation which contains no element is called a __________

Every function is a relation.

• True

• False

• may be

• 50 - 50