How to express the opposite number of rational number A? What about rational [A-B]? How to express the opposite number of rational number A? What about rational numbers?
The opposite is a minus sign
So the opposite of A is -A
The opposite of (A-B) is -(A-B)= B-A
The opposite is a minus sign in front
So the opposite of A is - A
The opposite of (A-B) is -(A-B)= B-A
Is the product of a rational number and its opposite number?
The product of a rational number and its inverse is the inverse of the square of the number
The product of a rational number and its opposite number is the opposite of the square of the number