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/sci/ - Science & Math

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977112

Anonymous Wed May 19 21:25:24 2010 No.977112 [Reply] [Original]

http://www.wolframalpha.com/input/?i=integral+x%5Ex

/sci/ why is there no answer?

>>	Anonymous Wed May 19 21:27:24 2010 No.977126 also not troll, genuinely interested

>>	Anonymous Wed May 19 21:29:24 2010 No.977141 i've finally stumped /sci/

>>	Anonymous Wed May 19 21:30:24 2010 No.977149 >>977112 There is no elementary function F(x) such that f'(x) = <span class="math"> x^x [/spoiler]

>>	Anonymous Wed May 19 21:31:24 2010 No.977155 File: 61 KB, 429x600, 1273029532075.jpg [View same] [iqdb] [saucenao] [google] pic related its /sci/ trying to figure out why

>>	Anonymous Wed May 19 21:34:24 2010 No.977188 >>977149 wat

>>	Anonymous Wed May 19 21:35:24 2010 No.977193 can you find a function whose derivative is <span class="math">x^x[/spoiler]? therefore there is no answer.

>>	Anonymous Wed May 19 21:38:24 2010 No.977209 There's no anti derivative of x^x so you can't integrate it. You can still "guess" what the values of such a function as certain points are going to be, though.

>>	Anonymous Wed May 19 21:41:24 2010 No.977233 >>977209 There is an antiderivative.

>>	Anonymous Wed May 19 21:41:24 2010 No.977237 >>977233 Oh really? Please show it to me.

>>	Anonymous Wed May 19 21:42:24 2010 No.977245 >>977237 <div class="math">F(x) = \int_1^x t^t dt </div>

>>	Anonymous Wed May 19 21:43:24 2010 No.977252 File: 46 KB, 580x341, 118694794953.jpg [View same] [iqdb] [saucenao] [google] >>977245

>>	Anonymous Wed May 19 21:44:24 2010 No.977254 >>977245 lolololololololol

>>	Anonymous Wed May 19 21:44:24 2010 No.977261 >>977245 >>977245 OMG OMG OMG MAN!!! PUBLISH THAT SHIT ALREADEY !! MAKE YOURSELF FAMOUSS 1!!!111212121!!!!

>>	Anonymous Wed May 19 21:44:24 2010 No.977258 >>977245 It's right. Just look at the fundamental theorem of calculus, you bunch of failures.

>>	Anonymous Wed May 19 21:45:24 2010 No.977269 >>977252 Oh i get it, you're still at highschool.

>>	Anonymous Wed May 19 21:46:24 2010 No.977273 File: 4 KB, 290x235, Untitled.png [View same] [iqdb] [saucenao] [google] >>977193 Maybe I'm bad at Calculus? Isn't this just the Power Rule?

>>	Skunkworks !e1337Hykks Wed May 19 21:46:24 2010 No.977279 >>977273 lol try differentiating that

>>	Anonymous Wed May 19 21:47:24 2010 No.977287 >>977273 Yes, you're bad at calculus.

>>	Anonymous Wed May 19 21:47:24 2010 No.977289 >>977279 It's not the power rule because there's an x up there Right?

>>	Anonymous Wed May 19 21:47:24 2010 No.977294 >>977273 Power rule is only when the exponent is a constant, sorry.

>>	Skunkworks !e1337Hykks Wed May 19 21:48:24 2010 No.977297 >>977289 yep

>>	Anonymous Wed May 19 21:48:24 2010 No.977299 >>977273 Only works for x^n where n is constant.