Expression 40: Start product from "n" equals 1 to "f" left parenthesis, "x" , right parenthesis ., end product, left parenthesis, "f" left parenthesis, "x" , right parenthesis left bracket, "n" , right bracket minus "y" , right parenthesis left brace, 0 less than "x" , right brace left brace, 0 less than "y" , right brace greater than 0fx.length∏n=1fxn−y0<x0<y>0
40
Expression 41: Start product from "n" equals 1 to "g" left parenthesis, "x" , right parenthesis ., end product, left parenthesis, "g" left parenthesis, "x" , right parenthesis left bracket, "n" , right bracket minus "y" , right parenthesis left brace, 0 less than "x" , right brace left brace, min left parenthesis, "g" left parenthesis, "x" , right parenthesis , right parenthesis less than "y" less than 0 , right brace greater than 0gx.length∏n=1gxn−y0<xmingx<y<0>0
41
Expression 42: Start product from "n" equals 1 to "h" left parenthesis, "x" , right parenthesis ., end product, left parenthesis, "h" left parenthesis, "x" , right parenthesis left bracket, "n" , right bracket minus "y" , right parenthesis left brace, "x" less than 0 , right brace left brace, 0 less than "y" less than max left parenthesis, "h" left parenthesis, "x" , right parenthesis , right parenthesis , right brace less than 0hx.length∏n=1hxn−yx<00<y<maxhx<0
42
Expression 43: Start product from "n" equals 1 to "i" left parenthesis, "x" , right parenthesis ., end product, left parenthesis, "i" left parenthesis, "x" , right parenthesis left bracket, "n" , right bracket minus "y" , right parenthesis left brace, "x" less than 0 , right brace left brace, "y" less than 0 , right brace less than 0ix.length∏n=1ixn−yx<0y<0<0