COMMENT ⊗   VALID 00002 PAGES
C REC  PAGE   DESCRIPTION
C00001 00001
C00002 00002	\input acphdr
C00003 ENDMK
C⊗;
\input acphdr
\def\\{\hjust{$\dispstyle\sum↓{0≤k≤n}A↓k$}}
\def\chop#1{\vjust{\hjust{\lower100pt\hjust{\raise100pt#1}}\vskip-100pt}}
\def\try#1{\hjust{$1-\sqrt{\lower#1\null\chop{\\}}-1$}}
\tenpoint
\try{0pt}
\try{3pt}
\try{6pt}
\try{9pt}
\try{12pt}
\try{15pt}
\try{18pt}
\try{21pt}
\try{24pt}
\vfill\end