for an arithmetic sequence, given Sn=690,a1=19, an=96 find the value of n help pleaseeeee​

Question

for an arithmetic sequence, given Sn=690,a1=19, an=96 find the value of n help pleaseeeee​

in progress 0
Cherry 5 months 2021-08-25T07:55:54+00:00 1 Answers 52 views 0

Answers ( )

  1. thugiang
    0
    2021-08-25T07:56:58+00:00
    Reply

    Answer:

    will u b my frend

    Step-by-step explanation:

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )