I can't remember exactly what problem I assigned, but I am guessing it was the following:

MATH

If not, and you want to see the actual assigned problem worked out, please email me and let me know what the actual one was.and I'll post that one too.


 
 

We start with the following chart.

MATH


Putting in the multiplication lines and the $+,-$ and $\int ,$ we get:
 
 

MATH

MATH
 
 

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