4.4 Riemann Sum and the Definite Integral

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Uploaded by on Oct 29, 2010

http://www.rootmath.org | Calculus 1

This video defines a Riemann Sum and a Definite Integral. This is built upon the previous videos and just slightly refines what we've already seen so far.

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  • Are you Sal Khan's brother? You sound just like him.

  • awesome videos. seriously saving me from failing my cal test in 2 hours.

    :D

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All Comments (11)

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  • @quynhkut306 Amen. you in Calc AB or BC?

  • haizzz Cal is too hard :(

  • My god, why does the area equals to the definite integral? I've seen lots of videos explaining the area under the curves and then it comes to the "definite integral is the area under the curve" part each of the video failed to explain why...

  • life saver

  • thanks

  • Nice video. Keep them coming.

  • you may very well have saved my grade in Calc I. thank you, good sir.

  • ugh

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