Thread: A new math problem!!
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A new math problem!!
if you solve this using graphing calculatro, u won't get the right answer so save ur time and use ur brain.
(x^2-2x-8)
^
(x^2-5) =1
* x squared -5 to the power of x squared minus 2x minus 8, the whole equation equal 1.
now the question:
Find the sum of the squares of the possible solution(s).
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09-28-2006, 03:42 PM #2Originally Posted by smokethedays
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09-28-2006, 04:15 PM #3
no more math problems!
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09-28-2006, 09:06 PM #4
This seems like something Johan could handle, or is he just physics?
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09-28-2006, 09:13 PM #5Anabolic Member
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i dont understnad what you wrote...
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09-28-2006, 09:23 PM #6Anabolic Member
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6would work
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09-28-2006, 09:23 PM #7Anabolic Member
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and it also frooze my calculator when i tried it lol oh the sum of the squars then it would be 12
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09-28-2006, 09:25 PM #8
I did enough math on my pre employment test for a oil company
so no thanks bro good luck
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09-28-2006, 09:30 PM #9Anabolic Member
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lol never mind im right hahahaha x=square root 6
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09-28-2006, 09:32 PM #10
Is the answer 2 ?????????
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09-28-2006, 09:34 PM #11Anabolic Member
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x=square root 6
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09-28-2006, 09:40 PM #12Anabolic Member
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Originally Posted by smokethedays
x = -2,4, +/- root 6
those are the answers i got
to find the sum of the squares is easy now...
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09-28-2006, 09:44 PM #13Anabolic Member
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my steps (because i had nothing better to do than type it ALL out)
ln(x^2-5)^(x^2-2x-8)=ln(1)
(x^2-2x-8)ln(x^2-5)=0
x^2 -2x-8 = 0
(x-4)(x+2) = 0
x=4,-2
ln(x^2-5) = 0 = ln(1)
x^2 -5 =1
x^2 = 6
x =+/- root 6
sum of the squares is 4^2 + (-2)^2 +(6^2) +(-6^2) = 92
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09-28-2006, 09:48 PM #14Anabolic Member
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yea i didnt understand the sum of the squares part
but atleast i got x=square root 6 (the plus or minus should have been assumed)
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09-28-2006, 09:58 PM #15
And they say juice heads are dumb?? You nerds!!!!
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