i是虚数单位,则i^3(i+1)/i-1=

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i是虚数单位,则i^3(i+1)/i-1=i是虚数单位,则i^3(i+1)/i-1=i是虚数单位,则i^3(i+1)/i-1=i³(i+1)/(i-1)=-i*i=1i^3(i+1)/i-1

i是虚数单位,则i^3(i+1)/i-1=
i是虚数单位,则i^3(i+1)/i-1=

i是虚数单位,则i^3(i+1)/i-1=
i³(i+1)/(i-1)
=-i*i
=1

i^3(i+1)/i-1
=-i(i+1)(i-1)/(i-1)^2
=2i/(-2i)
=-1

i³(i+1)/(i-1)
=-i(i+1)/(i-1)
=(1-i)/(i-1)
=-1