- #1
Idoubt
- 172
- 1
I am getting two different answers with two different methods so can someone point out the error?
[itex]\int\limits_{-\infty}^{\infty} \frac{1}{x^2}dx[/itex] = 2 [itex]\int\limits_{0}^{\infty} \frac{1}{x^2}dx[/itex] = [itex] - \frac{2}{x} |_{0}^{\infty} = \infty [/itex]
[itex]\int\limits_{-\infty}^{\infty} \frac{1}{x^2}dx = - \frac{1}{x} |_{- \infty}^{\infty} [/itex] = 0
[itex]\int\limits_{-\infty}^{\infty} \frac{1}{x^2}dx[/itex] = 2 [itex]\int\limits_{0}^{\infty} \frac{1}{x^2}dx[/itex] = [itex] - \frac{2}{x} |_{0}^{\infty} = \infty [/itex]
[itex]\int\limits_{-\infty}^{\infty} \frac{1}{x^2}dx = - \frac{1}{x} |_{- \infty}^{\infty} [/itex] = 0