Problem 4

Hi,
I have been following your post and must say that you do good work.

Now having said that I think you made a mistake in part (i).
I agree with your work up to and including the 3rd line from the end. I just am not seeing how you got the 2nd line from the end.
Yes I agree that c>0, (q-p)>0 and (r-p)>0 BUT the product of all 3 can be positive and less than 1 making that > sign in the 2nd to last line invalid. Or am I missing something?

Part (ii) is beautifully done!
 
Last edited:
Jomo said:
Hi,
I have been following your post and must say that you do good work.

Now having said that I think you made a mistake in part (i).
I agree with your work up to and including the 3rd line from the end. I just am not seeing how you got the 2nd line from the end.
Yes I agree that c>0, (q-p)>0 and (r-p)>0 BUT the product of all 3 can be positive and less than 1 making that > sign in the 2nd to last line invalid. Or am I missing something?

Part (ii) is beautifully done!
Click to expand...
Yes sir ..your concern is right... I should not write that line ... And then there should be no confusion...
Thanks for the complements ...
 
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