anonymous
  • anonymous
r(t) = t^(6)i-6tj. What is r'(t)?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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amistre64
  • amistre64
the derivative of r ...
anonymous
  • anonymous
yes, I know that but I keep getting the answer wrong when I'm actually solving for it.
amistre64
  • amistre64
what do you get when you try to solve?

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amistre64
  • amistre64
the parts are pretty basic, so im not real sure what the difficulty is. If I could see your workings I prolly can determine the error
anonymous
  • anonymous
I'm not very good at calc so I'm trying to teach myself, sorry. I get 6t^(2)i-6j.
amistre64
  • amistre64
6-1 is not 2
anonymous
  • anonymous
so I just replace the 2 with 5 and it's right?
amistre64
  • amistre64
from what youve posted .. yes r(t) = x(t) , y(t) r'(t) = x'(t) , y'(t) x = t^6 x' = 6t^5 y = -6t y' = -6
anonymous
  • anonymous
alright thank you. much easier to understand than the explanation in the book.

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