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Aug 28, 2020

# Approximating pi value using infinite series, we think it is proofed in https://www.youtube.com/watch?v=lOpAVZUQGJ4 but not sure

Approximating pi value using infinite series, we think it is proofed in https://www.youtube.com/watch?v=lOpAVZUQGJ4 but not sure

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the series converges very slowly so for getting 5- 6 decimal point precision you would need 400 terms

Realize that your series expansion is only valid in the range -1<=x<=1.

Also, for your proof to be complete, you should include an arbitrary constant c when you integrate to get line 2. By substituting x=0 you can determine that c=0.