Subject :IMO Class : Class 8
Which of the following options is INCORRECT?
A The rational number 0 is the additive identity for rational numbers.
B The additive inverse of the rational number a/b is –a/b and vice-versa.
C Rational numbers are closed under the operations of subtraction, multiplication and division.
D There are infinite rational numbers between any two rational numbers.
both a and c option is false.so which to chose
Ans 1:
Class : Class 8
How
Ans 2:
Class : Class 8
Exactly. How?!
Ans 3:
Class : Class 9
i understood it now, it is that only non zero rational numbers are closed in division, that is why it is false cause they said all and not nonzero
Ans 4:
Class : Class 10
how