osch633 osch633
  • 07-04-2020
  • Mathematics
contestada

integral of (x^2)/(e^x^3)

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LammettHash
LammettHash LammettHash
  • 16-04-2020

[tex]I=\displaystyle\int\frac{x^2}{e^{x^3}}\,\mathrm dx[/tex]

Substitute [tex]y=x^3[/tex] and [tex]\mathrm dy=3x^2\,\mathrm dx[/tex]. Then

[tex]I=\displaystyle\frac13\int\frac{\mathrm dy}{e^y}=-\frac1{3e^y}+C=-\frac1{3e^{x^3}}+C[/tex]

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