Known f^'' (x)<0, f(0)=0 prove that for any x_1>0,x_2>0, f(x_1+x_2 )<f(x_1 )+f(x_2) - 道道学堂问答

Known f^'' (x)<0, f(0)=0 prove that for any x_1>0,x_2>0, f(x_1+x_2 )<f(x_1 )+f(x_2)

匿名用户最后更新于 2021-11-08 15:20 数学类Mathematics

Known"(x)<0,f(0)=0 prove that for any x1>0,x2>0.f(x1+x2)

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