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For The Mathematically Inclined

Anil Saigal
07/01/2021

Problem 1: 


What is double factorial of 9 or 9!!

Problem 2:
Integrate the following.
.

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Problems from M-06/17/21

Problem 1: 


Problem 2:
If:
1+4=5
2+5=12
3+6=21
5+8=?



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