下列选项正确的是?

A、若<img src="http://p.ananas.chaoxing.com/star3/origin/0b712d5ffab974e25e56dfd36620f422.png">与<img src="http://p.ananas.chaoxing.com/star3/origin/4e06f25cbb33ca9d9a9f92b3bbe00bac.png">都收敛,则<img src="http://p.ananas.chaoxing.com/star3/origin/cf052c64e33ad1e79ad2c2d05c7aecf1.png">收敛 B、若<img src="http://p.ananas.chaoxing.com/star3/origin/ae2bcbda2b8806e506f33d0925225a12.png">收敛,则<img src="http://p.ananas.chaoxing.com/star3/origin/0b712d5ffab974e25e56dfd36620f422.png">与<img src="http://p.ananas.chaoxing.com/star3/origin/4e06f25cbb33ca9d9a9f92b3bbe00bac.png">都收敛 C、若正项级数<img src="http://p.ananas.chaoxing.com/star3/origin/466635bb2b78420b6f5100fc0c791b95.png">发散, 则当<img src="http://p.ananas.chaoxing.com/star3/origin/97e9c7200797cd7d02e5203722466d19.png">充分大时<img src="http://p.ananas.chaoxing.com/star3/origin/f01cff5a1169b78c0ea7a095bab6f0dc.png"> D、若<img src="http://p.ananas.chaoxing.com/star3/origin/466635bb2b78420b6f5100fc0c791b95.png">收敛,且<img src="http://p.ananas.chaoxing.com/star3/origin/879d9a12e2c3f09b1d74e346ebe969c8.png">,则级数<img src="http://p.ananas.chaoxing.com/star3/origin/b95969d2796964b5d261cf9f341c818b.png">收敛

时间:2022-11-15 04:29:46

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