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#1 2012-10-25 07:56:55
- PrissyMiss
- Member
- Registered: 2012-10-25
- Posts: 6
Derivative
f ' (x) = x + (sqrt (3x))
-------------------
3x − 5
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#2 2012-10-25 08:01:57
- zetafunc.
- Guest
Re: Derivative
What do you need help with exactly?
#3 2012-10-25 08:15:55
- PrissyMiss
- Member
- Registered: 2012-10-25
- Posts: 6
Re: Derivative
I need to find the derivative of the function
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#4 2012-10-25 08:17:22
- zetafunc.
- Guest
Re: Derivative
Do you know the quotient rule?
#5 2012-10-25 08:17:32
- PrissyMiss
- Member
- Registered: 2012-10-25
- Posts: 6
Re: Derivative
so far I got to the point .5 -.5
-4.5x - 7.5x - 5
----------------------------
2
(3x-5)
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#6 2012-10-25 10:16:15
- PrissyMiss
- Member
- Registered: 2012-10-25
- Posts: 6
Re: Derivative
I do know the quotient rule
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#7 2012-10-25 16:34:22
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Derivative
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.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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#8 2012-10-25 19:12:02
- Bob
- Administrator
- Registered: 2010-06-20
- Posts: 10,648
Re: Derivative
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
Children are not defined by school ...........The Fonz
You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you! …………….Bob 
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#9 2012-10-25 19:23:33
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Derivative
Hi Bob;
Your answer is what I am getting too.
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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#10 2012-10-26 08:10:16
- PrissyMiss
- Member
- Registered: 2012-10-25
- Posts: 6
Re: Derivative
Why are the exponents still in there after you put it in radicals?/
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#11 2012-10-26 08:21:10
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Derivative
The exponents are powers of x.
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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