







1 divided by 0 and infinity 
20111024 

ritika pose la question : we say that one divided by zero gives us infinity, then why zero multiplied by infinity does not gives us one????????????? Robert Dawson lui répond. 





Zero divided by infinity 
20080503 

ANNE pose la question : There was a question about what do you get when you divide Zero by infinity. There was an example using Potatoes. Could someone please explain a little bit more in detail, so that I can help my son who has Schizophrenia understand. He is big into Mathematics and is consumed by this question.
Thankyou so much,
Anne Penny Nom lui répond. 





An integer x when divided by 5 leaves the remainder 3. 
20050618 

A teacher pose la question : An integer x when divided by 5 leaves the remainder 3. Prove that when 4x is divided by 5, 2 is the remainder Penny Nom lui répond. 





Divisibility by 15 
20041219 

Lisa pose la question : My son was asked to find divisiblity rules for 15. We have been unable to find the answer. Does it exist? Leeanne Boehm and Denis Hanson lui répond. 

