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**Derivative**

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**PrissyMiss****Member**- Registered: 2012-10-25
- Posts: 6

f ' (x) = x + (sqrt (3x))

-------------------

3x − 5

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**zetafunc.****Guest**

What do you need help with exactly?

**PrissyMiss****Member**- Registered: 2012-10-25
- Posts: 6

I need to find the derivative of the function

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**zetafunc.****Guest**

Do you know the quotient rule?

**PrissyMiss****Member**- Registered: 2012-10-25
- Posts: 6

so far I got to the point .5 -.5

-4.5x - 7.5x - 5

----------------------------

2

(3x-5)

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**PrissyMiss****Member**- Registered: 2012-10-25
- Posts: 6

I do know the quotient rule

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 86,379

Hi;

so far I got to the point .5 -.5

-4.5x - 7.5x - 5

----------------------------

2

(3x-5)

I can not read that.

**In mathematics, you don't understand things. You just get used to them.Of course that result can be rigorously obtained, but who cares?Combinatorics is Algebra and Algebra is Combinatorics.**

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**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 6,382

hi PrissyMiss and bobbym

I'm thinking that means

It is not quite what I'm getting:

PrissyMiss: You seem to have lost the root 3 s.

Bob

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 86,379

Hi Bob;

Your answer is what I am getting too.

**In mathematics, you don't understand things. You just get used to them.Of course that result can be rigorously obtained, but who cares?Combinatorics is Algebra and Algebra is Combinatorics.**

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**PrissyMiss****Member**- Registered: 2012-10-25
- Posts: 6

Why are the exponents still in there after you put it in radicals?/

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 86,379

The exponents are powers of x.

**In mathematics, you don't understand things. You just get used to them.Of course that result can be rigorously obtained, but who cares?Combinatorics is Algebra and Algebra is Combinatorics.**

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