Math, asked by arislanhusainh, 8 months ago

find the sum of first 25 terms in this sequence.

# 1,6,11.....

(hint: sum of n = Sn=n/2x[X1 +Xn]

Xn=f+dn-d

please give me the entire solution.
thanks!

Answers

Answered by janhvitripathi4431

0

Answer:

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