Math for fun#5 (calc1), HOW CRAZY IS YOUR LIMIT!
More math for fun: https://www.youtube.com/playlist?list=PLj7p5OoL6vGxe7hIWOKfevOet0e1jOezd

Limit as Riemann Sum,
limit as an area,
definition of integral as a limit,
integral of 1/sqrt(1+x) from 0 to 1,



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