anonymous
  • anonymous
Integral of x^3/(radical(1+x^4)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
u=1+x^4 du=4x^3 du/4=x^3?
anonymous
  • anonymous
Very close: \[ u=1+x^4\\ du=4x^3dx\\ \frac {du}4=x^3dx \]
anonymous
  • anonymous
so is it du/u?

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anonymous
  • anonymous
du/4u*
anonymous
  • anonymous
\[ \sqrt{1+x^4}\to \sqrt{u} \]
anonymous
  • anonymous
right sorry. so du/4 is acceptable?
anonymous
  • anonymous
Yes,
anonymous
  • anonymous
so would it be 1du/4 radical(u) then you integrate it?
anonymous
  • anonymous
yes.
anonymous
  • anonymous
um so,4u^1/2/2?

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