AmTran_Bus
  • AmTran_Bus
Derivative
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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AmTran_Bus
  • AmTran_Bus
|dw:1437059971490:dw|
AmTran_Bus
  • AmTran_Bus
So I know the answer (divided all terms on top my u^2), but is there a way I could have just brought the u^2 on the top?
AmTran_Bus
  • AmTran_Bus
For example, like 1/s = s^-1, right?

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More answers

welshfella
  • welshfella
yes
ganeshie8
  • ganeshie8
sure you can, but why would you wanto do that ?
AmTran_Bus
  • AmTran_Bus
Its been awhile since algebra and I'm trying to review two different things at once. Can you show me?
ganeshie8
  • ganeshie8
\[\large \dfrac{1}{x^n} = x^{-n}\]
AmTran_Bus
  • AmTran_Bus
So just make it 5u^-2?
ganeshie8
  • ganeshie8
For the last term, yes
AmTran_Bus
  • AmTran_Bus
Ok, So here is the soln manual answer: 4y^3-2-10u^-3 If I did it this way, I would get 6u^5-6u^2-10u^-3?
AmTran_Bus
  • AmTran_Bus
So how is that the same?
AmTran_Bus
  • AmTran_Bus
Not 4y, 4u.
ganeshie8
  • ganeshie8
They are not same. Show me how you arrived at that answer of yours
ganeshie8
  • ganeshie8
Aren't you dividing the bottom by each term in the top ? |dw:1437060429901:dw|
AmTran_Bus
  • AmTran_Bus
|dw:1437060422214:dw|
AmTran_Bus
  • AmTran_Bus
Right, the way you did it is the way the soln man said.
ganeshie8
  • ganeshie8
\[\dfrac{a+b+c}{n} = \dfrac{a}{n}+\dfrac{b}{n}+\dfrac{c}{n}\]
AmTran_Bus
  • AmTran_Bus
I understand it that way. So you simply just can't only do 5u^-2 on this one. Ok.
ganeshie8
  • ganeshie8
There is no such rule. \[\dfrac{a+b+c}{n} \color{Red}{\ne} a+b+\dfrac{c}{n}\]
AmTran_Bus
  • AmTran_Bus
Thanks so much! Got it!
ganeshie8
  • ganeshie8
np

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