anonymous
  • anonymous
evaluate
Mathematics
schrodinger
  • schrodinger
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anonymous
  • anonymous
anonymous
  • anonymous
i got 49/4 is that correct?
anonymous
  • anonymous
@jazy @agent0smith @satellite73

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agent0smith
  • agent0smith
I don't get why your pics are so small, please make them bigger if possible. Or just actually write it yourself like so... I'm going to write this so people can actually read it: \[\Large \int\limits_{0}^{2} x \sqrt{ 4x^2 +9} dx\]
anonymous
  • anonymous
okay
anonymous
  • anonymous
yea thats correct
agent0smith
  • agent0smith
As long as you used u substitution with u=4x^2+9, du= 8x dx, it should be correct. 49/4 isn't correct, but it's close.
anonymous
  • anonymous
okay i tried again and i got 49/6
agent0smith
  • agent0smith
http://www.wolframalpha.com/input/?i=%5Cint%5Climits_%7B0%7D%5E%7B2%7D+x++%5Csqrt%7B+4x%5E2+%2B9%7D+dx
anonymous
  • anonymous
okay so my question has multiple choices and in them none of that has 49/6
anonymous
  • anonymous
there is 32/3, 15/4, 80/9 and 49/4
anonymous
  • anonymous
Mathematica returned 49/6
anonymous
  • anonymous
yea i'm guessing my teacher made a mistake
anonymous
  • anonymous
Refer to the attachment
1 Attachment
agent0smith
  • agent0smith
@robtobey I already posted the wolfram alpha solution... which uses mathematica :P
anonymous
  • anonymous
Sorry about that.

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