f(x)=1-(x/|x|),g(x)=|x|,求h(x)=f(x)乘以g(x)

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f(x)=1-(x/|x|),g(x)=|x|,求h(x)=f(x)乘以g(x)f(x)=1-(x/|x|),g(x)=|x|,求h(x)=f(x)乘以g(x)f(x)=1-(x/|x|),g(x)=

f(x)=1-(x/|x|),g(x)=|x|,求h(x)=f(x)乘以g(x)
f(x)=1-(x/|x|),g(x)=|x|,求h(x)=f(x)乘以g(x)

f(x)=1-(x/|x|),g(x)=|x|,求h(x)=f(x)乘以g(x)
h(x)=f(x)乘以g(x)
=[1-(x/|x|)])|x|
=|x|-x/|x|×|x|
=|x|-x