Question

Convergence evaluation

Answer 1

\[\int\limits_{- infinti}^{infiniti} 7xe ^{x^-2}dx\]

Answer 2

\[\int_{-\infty}^\infty7xe^{x^{-2}}dx\]right?

Answer 3

u-cubstitution\[u=x^{-2}\]integrate, and evaluate

Answer 4

substitution*

Answer 5

yup and u so du=7dx 1/7du=dx