Question

State True &False-
1. The multiplicative inverse of -3's is 5/3.
2.The negative of O does not exist
3.For any rational number x,x+(-1) = -X.
4. The negative of 1 is 1 itself.
5.For all rational no. X &y. x+y=Y+X.​

Answer 1

1) False . Multiplicative inverse of -3/5 is -5/3.

2) True

3) False. For any rational number x,x+(-1) = x-1

4) False . Negative of 1 is - 1

5) True