若f(x)=-8a平方x平方+6a三次方x三次方-4a四次方x四次方,求f(x)除以(-4ax平方)
问题描述:
若f(x)=-8a平方x平方+6a三次方x三次方-4a四次方x四次方,求f(x)除以(-4ax平方)
答
若f(x)=-8a平方x平方+6a三次方x三次方-4a四次方x四次方,
=-2ax^2(4a-3a^2x+2a^3x^2)
f(x)除以(-4ax平方)
=-2ax^2(4a-3a^2x+2a^3x^2)除以(-4ax平方)
=(4a-3a^2x+2a^3x^2)/2
=2a-3/2a^2x+a^3x^2