单项选择题

当(    )时,无穷级数(u>0)绝对收敛.
   A.un+1≤un(n=1,2,…)
   B.
   C.un+1≤un(n=1,2,…),
   D.(u>0)收敛

A.174.24.96:6088/Latex/latex.action?latex=XHN1bSBfe249MX1ee1xpbmZ0eSB9KC0xKV5udV9u'
B.

C.un+1≤un(n=1,2,…)

D.E.174.24.96:6088/Latex/latex.action?latex=XGxpbSBfe25cdG8gXGluZnR5IH11X249MA%3D%3D'
F.un+1≤un(n=1,2,…),G.174.24.96:6088/Latex/latex.action?latex=XGxpbSBfe25cdG8gXGluZnR5IH11X249MA%3D%3D'
H.I.174.24.96:6088/Latex/latex.action?latex=XHN1bSBfe249MX1ee1xpbmZ0eSB9dV9u'
微信扫码免费搜题