Merge pull request #855 from adamarla/master

Corrections to solution
Expanded and corrected 2/goh/uw4zt
no need to track skel file
Merge branch 'master' of https://github.com/gutenberg/gutenberg

Conflicts:
	vault/1/z9h/msy1k/skel
	vault/2/goh/uw4zt/question.tex
Merge pull request #856 from abhinavc/master

Expanded and corrected 2/goh/uw4zt
Sharpened explanation using underbraces and overbraces
Merge pull request #857 from abhinavc/master

Edited
correct to question