[tex] \ int \ limits ^ a_b {x} \ , dx x_{ \ left \ { {{y = 2} \ atop {x = 2}} \ right?
[tex] \ int \ limits ^ a_b {x} \ , dx x_{ \ left \ { {{y = 2} \ atop {x = 2}} \ right. \ int \ limits ^ a_b {x} \ , dx \ lim_{n \ to \ infty} a_n \ int \ limits ^ a_b {x} \ , dx 123} \ lim_{n \ to \ infty} a_n \ left[ \ begin{array}{ccc}1&2&3 \ \ 4&5&6 \ \ 7&8&9 \ end{array} \ right] x ^ {2} x ^ {2}[ / tex].