Expression 1: "f" left parenthesis, "n" , "x" , right parenthesis equals StartFraction, pi Over 2 , EndFraction StartRoot, left parenthesis, "x" minus "n" , right parenthesis squared positive 1 , EndRoot StartFraction, sin left parenthesis, StartNestedFraction, pi left parenthesis, "x" minus "n" , right parenthesis NestedOver "n" , EndNestedFraction , right parenthesis Over left parenthesis, "x" minus "n" , right parenthesis , EndFractionfn,x=π2x−n2+1sinπx−nnx−n
1
Expression 2: hyperbolic tangent left parenthesis, "f" left parenthesis, 2 , "x" , right parenthesis "f" left parenthesis, 3 , "x" , right parenthesis "f" left parenthesis, 5 , "x" , right parenthesis "f" left parenthesis, 7 , "x" , right parenthesis "f" left parenthesis, 11 , "x" , right parenthesis "f" left parenthesis, 13 , "x" , right parenthesis "f" left parenthesis, 17 , "x" , right parenthesis , right parenthesistanhf2,xf3,xf5,xf7,xf11,xf13,xf17,x