Question

State whether the following are True/False:


a) Rational numbers are not closed under division, if zero is excluded, then the collection of all

other rational numbers are closed under division.

b) For any rational number a, a ÷ 0 is not defined.

c) A rational number c/d is called the multiplicative inverse of another rational number a/b if

a/b x c/d=1.

d) A number which can be written in the form p/q , where p and q are integers and q is not equal

to 0 is called a rational number.
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Answer 1

Answer:

2.true 3.true 4.false