Math Is Fun Forum
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#1 2014-12-06 05:24:24
Differentiation
Differentiate
'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
I'm not crazy, my mother had me tested.
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#2 2014-12-06 05:31:08
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Differentiation
The answer looks complicated.
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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#3 2014-12-06 05:32:06
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: Differentiation
Have you tried using the rules of differentiation?
Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.
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#4 2014-12-06 05:36:07
Re: Differentiation
I have.
How about I take tan(x) = cos(2u) for some u
'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
I'm not crazy, my mother had me tested.
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#5 2014-12-06 05:42:36
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Differentiation
Inside the radical can be simplified.
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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#6 2014-12-06 05:43:45
- ShivamS
- Member
- Registered: 2011-02-07
- Posts: 3,648
Re: Differentiation
I have to go soon, so I'll leave you with this:
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http://prntscr.com/5dvk98
http://prntscr.com/5dvkct
http://prntscr.com/5dvkg5
Last edited by ShivamS (2014-12-06 05:44:33)
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#7 2014-12-06 05:44:34
- Bob
- Administrator
- Registered: 2010-06-20
- Posts: 10,140
Re: Differentiation
Hint coming up don't log off.
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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#8 2014-12-06 05:47:55
Re: Differentiation
I have to go soon, so I'll leave you with this:
http://prntscr.com/5dvjzt
http://prntscr.com/5dvk98
http://prntscr.com/5dvkct
http://prntscr.com/5dvkg5
Thank you, but I have already done it that way. I was wondering if there is a shortcut
'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
I'm not crazy, my mother had me tested.
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#9 2014-12-06 05:48:00
- Bob
- Administrator
- Registered: 2010-06-20
- Posts: 10,140
Re: Differentiation
Simplify first:
Then it takes just 2 lines.
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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#10 2014-12-06 05:49:26
Re: Differentiation
Oh wow, perfect. Thanks 
'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
I'm not crazy, my mother had me tested.
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#11 2014-12-06 05:50:41
- Bob
- Administrator
- Registered: 2010-06-20
- Posts: 10,140
Re: Differentiation
You're welcome. If only the clover thread was like this one. sigh!
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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#12 2014-12-06 05:51:36
Re: Differentiation
Clover thread? Which one is that?
'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
I'm not crazy, my mother had me tested.
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