[EGrouped [ESubsup (ESymbol Op "\8747") (ENumber "0") (ENumber "1"),EIdentifier "f",EGrouped [EStretchy (ESymbol Open "("),EIdentifier "x",EStretchy (ESymbol Close ")")],EText TextNormal "\8202",ESymbol Op "\8518",EIdentifier "x",ESymbol Op "=",EUnderover (ESymbol Op "\8721") (EGrouped [EIdentifier "i",ESymbol Op "=",ENumber "0"]) (EIdentifier "\8734"),ESub (EIdentifier "x") (EIdentifier "i"),ESymbol Op "=",EUnderover (ESymbol Op "\8719") (EGrouped [EIdentifier "i",ESymbol Op "=",ENumber "0"]) (EIdentifier "\8734"),ESub (EIdentifier "x") (EIdentifier "i"),ESymbol Op "=",EUnderover (ESymbol Op "\8720") (EGrouped [EIdentifier "i",ESymbol Op "=",ENumber "0"]) (EIdentifier "\8734"),ESub (EIdentifier "x") (EIdentifier "i"),ESymbol Op "=",ESubsup (ESymbol Op "\8750") (ENumber "0") (ENumber "1"),EIdentifier "f",EGrouped [EStretchy (ESymbol Open "("),EIdentifier "x",EStretchy (ESymbol Close ")")],EText TextNormal "\8202",ESymbol Op "\8518",EIdentifier "x",ESymbol Op "=",ESubsup (ESymbol Op "\8748") (ENumber "0") (ENumber "1"),EIdentifier "f",EGrouped [EStretchy (ESymbol Open "("),EIdentifier "x",EStretchy (ESymbol Close ")")],EText TextNormal "\8202",ESymbol Op "\8518",EIdentifier "x",ESymbol Op "=",ESubsup (ESymbol Op "\8749") (ENumber "0") (ENumber "1"),EIdentifier "f",EGrouped [EStretchy (ESymbol Open "("),EIdentifier "x",EStretchy (ESymbol Close ")")],EText TextNormal "\8202",ESymbol Op "\8518",EIdentifier "x"]]