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How do you approximate pi in this way without making use of an infinite series? Or are you saying that an approximation that doesn't use an infinity is fine eve
by rlpb 9y ago
How do you approximate pi in this way without making use of an infinite series? Or are you saying that an approximation that doesn't use an infinity is fine even if an infinity was used to arrive at it?
- srean 9y agoIts the latter. You can truncate the series at an appropriate place of your choosing. But yes, \Pi as a number does not even exist unless you add the Reals, so that would need infinity. What I am saying is, one can work with the Rationals.