2 aisa positive and bisa negative rationalways result in a positive nu

1.	2 aisa positive and bisa negative rationalways result in a positive number? Give reve rational number. Which operation (+,-,X, ) between them willin a positive number? Give reason for your answer.
Answer» Subtracting will always result in positive rational numberSince, a-(-b)=a+band it will be a positive rational number As we know thata-(-b)= a+bhence this is a positive rational number so subtraction will always result in positive rational number

2 aisa positive and bisa negative rationalways result in a positive number? Give reve rational number. Which operation (+,-,X, ) between them willin a positive number? Give reason for your answer.

Answer»

Subtracting will always result in positive rational numberSince, a-(-b)=a+band it will be a positive rational number

As we know thata-(-b)= a+bhence this is a positive rational number so subtraction will always result in positive rational number