Rasti integralus

  1. {\int_0^\infty te^{-\frac{t^2}{2}}dt}
  2. {\int_0^\infty t^2e^{-t}dt}
  3. {\int_{[0,1]^2}dx_1dx_2}
  4. {\int_{[0,\pi]^2}\cos(x_1+x_2)dx_1dx_2}
  5. {\int_{x_1^2+x_2^2<1}dx_1dx_2}
  6. {\int_{-\infty}^\infty e^{-x^2}dx}