Expression 5: "l" equals left bracket, "m" , "m" plus StartFraction, 1 Over "s" , EndFraction , ... "M" , right bracketl=m,m+1s,...M
5
Expression 6: "y" less than or equal to "f" left parenthesis, "x" , right parenthesis StartFraction, left bracket, 1 , 2 , 3 , right bracket Over left bracket, 1 , 2 , 3 , right bracket , EndFractiony≤fx1,2,31,2,3
6
Expression 7: "x" equals "l" left brace, "y" greater than "f" left parenthesis, "x" , right parenthesis , right bracex=ly>fx
7
Expression 8: left parenthesis, sin left parenthesis, 2arctan left parenthesis, "f" prime left parenthesis, "l" , right parenthesis , right parenthesis , right parenthesis left parenthesis, "y" plus "l" "f" prime left parenthesis, "l" , right parenthesis minus "f" left parenthesis, "l" , right parenthesis , right parenthesis plus cos left parenthesis, 2arctan left parenthesis, "f" prime left parenthesis, "l" , right parenthesis , right parenthesis , right parenthesis "x" , right parenthesis equals "l" left brace, "y" greater than "f" left parenthesis, "x" , right parenthesis , right bracesin2arctanf′ly+lf′l−fl+cos2arctanf′lx=ly>fx
