Soroban did all the work.
]]>The result are taken from a russian book of mathematical analyse(a very old book I can say) and I wanted to try to log the expression but as I said I hade no time to think so much,and I don;t understand russian,I just can read it but not understand it(if it would be serbian I could maybe understand a little),so thank you very much for helping me bobbym and Soroban.
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]]>Off hand and if I have interpreted your problem right I would say that your result for
is incorrect.
]]>Your latex did not scan so I tried to recreate your problem. Please check my interpretation for accuracy.
I have done it line by line so that you can see what I have done.
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