Thread: help me check the answer

question

here is my answer, tell me whether i did it right?

if u have a better, don't hesitate to share

Originally Posted by IamLittle

question

here is my answer, tell me whether i did it right?

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?

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