01-18-2004, 08:37 PM | #1 |
Thoth - Egyptian God of Wisdom
Join Date: March 1, 2001
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I think this might be the last one. I've scanned all my remaining problems, and I feel I can do them. The problem includes:
Determine the value for c on [2,5] that satisfies the Mean Value Theorem (f'(c)= f(b)-f(a)/b-a) for f(x)=x2-3/x-1. And here's all the work I've included: f(5)= 52-3/5-1 = 25-3/4 = 22/4= 11/2 f(2)= 22-3/2-1 = 4-3/1 = 1 f(x)= (x2-3)(x-1)-1 f'(x)= 2x(x-1)-1-(x2-3)(x-1) = (2-2x)-(x2-3)(x-1) = -2(-1+x)-(x2-3)(x-1) = (x+1)(-2-x2+3) = (x+1)(-x2+1) (c+1)(-c2+1)= 9/2/3 c+1= 3/2 -c2+1= 3/2 c= 1/2 c= ... The answer is supposed to be 3, but I'm not getting that. Can anyone point out my error? [ 01-18-2004, 09:28 PM: Message edited by: Nanobyte ] |
01-19-2004, 07:07 AM | #2 |
Jack Burton
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I think the answer is ''green'
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01-19-2004, 07:22 AM | #3 |
Apophis
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Yes, but the amount of Pokemon included in the left side of the equation doens't come close to a monkey with glasses. Sorry, but I think he'd be better off answering "chicken curry".
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01-19-2004, 08:12 AM | #4 |
Takhisis Follower
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I think you messed up the differentiation....
it should be 2x(x-1)^-1 - (x^2-3)(x-1)^-2 (you missed off the power of -2) then carry on from there, solve by partial fractions I think.
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01-19-2004, 08:27 AM | #5 |
Quth-Maren
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You have to think about the mathimatical equvelent of a squid, times by pi with a monkey milk, then divide by a squid head, the number of eyes on a blind spider and then you get...
Eggs. |
01-19-2004, 08:52 AM | #6 |
Ironworks Moderator
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LOL! Nanobyte, I think you may go off the deep end if you include green squids and Pokemons in there! Vaskie seems to have helped out, though!
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01-19-2004, 09:41 AM | #7 | |
Thoth - Egyptian God of Wisdom
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Quote:
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01-19-2004, 10:45 AM | #8 |
Ra
Join Date: May 19, 2002
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LOL Dragonshadow! Is this college level math or something? This is way out of my leauge.
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01-19-2004, 10:59 AM | #9 | |
Quth-Maren
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Quote:
BTW Nanobyte, you aren't a mathsteacher or a lawyer,are you? |
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01-19-2004, 11:13 AM | #10 |
Thoth - Egyptian God of Wisdom
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It's AP (Advanced Placement), which is considered college level.
edited: and no, I'm neither. I actually plan on becoming a game designer, and even then, will most likely lean towards writing than programming. [ 01-19-2004, 11:16 AM: Message edited by: Nanobyte ] |
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