We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
211
1
avatar

find n for an arithmetic series for which a1 = -7, d = 2.5, and Sn = -14

 Jan 25, 2018
 #1
avatar
0

Your arithmetic series as written is missing something, because n comes out as a non-integer. Check your numbers carefully.

 Jan 25, 2018

19 Online Users

avatar
avatar
avatar
avatar
avatar