# help me check the answer

• Apr 7th 2010, 05:45 AM
IamLittle
help me check the answer
question
http://i965.photobucket.com/albums/a...6/question.gif
here is my answer, tell me whether i did it right?
http://i965.photobucket.com/albums/a...958516/wtf.gif
if u have a better, don't hesitate to share
• Apr 7th 2010, 06:01 AM
southprkfan1
Quote:

Originally Posted by IamLittle
question
http://i965.photobucket.com/albums/a...6/question.gif
here is my answer, tell me whether i did it right?
http://i965.photobucket.com/albums/a...958516/wtf.gif
if u have a better, don't hesitate to share

Well, Correct me if I'm wrong, but haven't you only contradicted the 2nd assumption, i.e. "assume there exists a point b..." Does the solution follow from that?
• Apr 7th 2010, 06:08 AM
IamLittle
Quote:

Originally Posted by southprkfan1
Well, Correct me if I'm wrong, but haven't you only contradicted the 2nd assumption, i.e. "assume there exists a point b..." Does the solution follow from that?

thank you for reading
yes i have proved that the 2nd assumption is wrong
and the last contradiction is to contradict the question which claims f(x) is bounded