Question 183
Evaluate
$$
\int_{-\infty}^{\infty} \frac{1-x^{2}}{1+x^{4}} d x
$$
$$
\int_{-\infty}^{\infty} \frac{1-x^{2}}{1+x^{4}} d x
$$
MathNet 2003 — Part 02 Question 183
Math Olympiad Vault · MathNet 2003 — Part 02
Math Olympiad Vault · MathNet 2003 — Part 02