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35) Related Rates, Part 1 of 2

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Uploaded by on Oct 29, 2007

There is a minor error in the very last part where I solve for dr/dt. The answer should be -1/(8pi).
Produced by
Kent Murdick
Instructor of Mathematics
Uninversity of South Alabama

Category:

Science & Technology

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License:

Standard YouTube License

  • likes, 1 dislikes

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Uploader Comments (Lutemann)

  • Yeah, he's trying to teach math, but can't do it himself. -1/8pi would be the answer good catch.

  • You're right. Out of 110 videos I made an obvious minor error. It must mean I can't do math. Are you sure you can think?

  • in the final answer, wouldnt it be -1/8pi

    because if you have -5=2pi(20)(dr/dt) and you divide both sides by 40pi, it would be (-5/40pi) which reduced to (-1/8pi)... rather than (-pi/8)

  • You are right! I'll do it over. Thanks.

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All Comments (9)

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  • Great! Thanks very much for your efforts, they are much appreciated.

  • Hey Thanks Alot! I just might pass on my unit test tomorrow because of you! :)

    And screw the error, everyone makes mistakes! It's just a matter of if you learn from them or not :)

  • Thanks for the help!  The minor error was no big deal.

  • it is helpful, thank u.....

  • You are right. That's a typo. Thanks.

  • I agree with morrowchristine.

  • Yes, (-1/8)pi is the same as (-pi/8)

    but if you actually watched the video, you'd see i was correcting the NUMERATOR.

    (-1/8pi) is NOT the same as (-1/8)pi

  • I'm pretty sure that (-1/8)pi is the same thing as (-pi/8)...uh yeah...

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