Source: https://tex.stackexchange.com/questions/75525/howtowritecrossedoutmathinlatex
The comments above should have solved the problem. But I thought a minimal example will go a long way:

Wang Youan's personal site
Source: https://tex.stackexchange.com/questions/75525/howtowritecrossedoutmathinlatex
The comments above should have solved the problem. But I thought a minimal example will go a long way:
