表达式3: "L" left parenthesis, "x" , right parenthesis equals "f" prime left parenthesis, "a" , right parenthesis left parenthesis, "x" minus "a" , right parenthesis plus "f" left parenthesis, "a" , right parenthesisLx=f′ax−a+fa
3
隐藏 标签 left parenthesis, "a" , "f" left parenthesis, "a" , right parenthesis , right parenthesisa,fa
标签
equals=
left parenthesis, 2 , 1 , right parenthesis2,1
4
表达式5: "a" equals 2a=2
00
33
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表达式6: 0 less than or equal to "y" less than or equal to "L" left parenthesis, "x" , right parenthesis left brace, "x" greater than 0 , right brace0≤y≤Lxx>0
