Optional videos (K-A)

S#	Lecture	Course	Institute	Discipline
1	Finite geometric series formula (K-A)	Optional videos (K-A)	Khan Academy	Basic and Health Sciences
2	Formal definition for limit of a sequence (K-A)	Optional videos (K-A)	Khan Academy	Basic and Health Sciences
3	Infinite geometric series formula intuition (K-A)	Optional videos (K-A)	Khan Academy	Basic and Health Sciences
4	Proof of infinite geometric series as a limit (K-A)	Optional videos (K-A)	Khan Academy	Basic and Health Sciences
5	Proving a sequence converges using the formal definition (K-A)	Optional videos (K-A)	Khan Academy	Basic and Health Sciences

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