Expression 2: "f" left parenthesis, "n" , right parenthesis equals join left parenthesis, "f" left parenthesis, "n" minus 1 , right parenthesis plus left parenthesis, StartFraction, 1 Over "n" , EndFraction , negative 1 , right parenthesis , "f" left parenthesis, "n" minus 1 , right parenthesis plus left parenthesis, negative StartFraction, 1 Over "n" , EndFraction , negative 1 , right parenthesis , right parenthesisfn=joinfn−1+1n,−1,fn−1+−1n,−1
2
Hidden Label: "f" left parenthesis, 2 , right parenthesis equals a list of points. 2 items Has graph. To audio trace, press ALT+T.f2
Label
equals=
left parenthesis, 0.5 , negative 1 , right parenthesis0.5,−1
left parenthesis, negative 0.5 , negative 1 , right parenthesis−0.5,−1