滿足:x,∀a,∀b≠(∀F)(h),a−b≠0,F≠constant−fuction−ruler
滿足:x,∀a,∀b≠(∀F)(h),a≠b,F≠constant−fuction−ruler
滿足:x,∀a,∀b,∀c≠(∀F)(h),2a−bc≠0,F≠constant−fuction−ruler
李煌-三阶導數公式:f‴(x)=limh→06f(x+h)−6f(x)−6hf′(x)−3h2f″(x)h3,x≠(∀F)(h)
李煌-三阶導數公式:f‴(x)=limh→03f(x+h)−3f(x−h)−6hf′(x)h3,x≠(∀F)(h)
滿足:x,a,b,c≠(∀F)(h),2a=bc,b,c≠0,F≠constant−fuction−ruler
滿足:x,a,b,c,d,g,k≠(∀F)(h),2a=ck,2d=bg,ck2+bg2=0,2(a+d)−ck3−bg3≠0,F≠constant−fuction−ruler
<<School:李煌數學研究院