若函数
x=65C1E736B78DF6C6DB4A414987477D33EEFE358E
函数y=1B2A372F6F9A7B840430D896EA3F5A3A9572EDA7
且f(x,y)在闭区间
btih:75B687ABD321B5F29B3B906940024F22117A4B9F 可导
则
f(x,y)*f(y,x)在闭区间可到处以下函数式:
f(x)=SRS-044=
x=1.17GB
f(y)=SHKD-664=y=1.18GB
f(x,y)=SHKD-658= x,y=1.18GB
x=65C1E736B78DF6C6DB4A414987477D33EEFE358E
函数y=1B2A372F6F9A7B840430D896EA3F5A3A9572EDA7
且f(x,y)在闭区间
btih:75B687ABD321B5F29B3B906940024F22117A4B9F 可导
则
f(x,y)*f(y,x)在闭区间可到处以下函数式:
f(x)=SRS-044=
x=1.17GB
f(y)=SHKD-664=y=1.18GB
f(x,y)=SHKD-658= x,y=1.18GB