The line should be ∫ 0 t Ξ − 1 ( τ ) g ( τ ) d τ = ∫ 0 t [ − 1 2 1 2 e − 2 τ ] {\displaystyle \int _{0}^{t}\Xi ^{-1}(\tau )g(\tau )d\tau =\int _{0}^{t}\left[{\begin{array}{c}-{\frac {1}{2}}\\{\frac {1}{2}}e^{-2\tau }\end{array}}\right]}
![{\displaystyle \int _{0}^{t}\Xi ^{-1}(\tau )g(\tau )d\tau =\int _{0}^{t}\left[{\begin{array}{c}-{\frac {1}{2}}\\{\frac {1}{2}}e^{-2\tau }\end{array}}\right]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/a050a30ae9a048aeda984e45e8a50e6a362fe2b0)
