E erfa New member Joined Jan 28, 2021 Messages 1 Jan 28, 2021 #1 If the sum of 1st n terms of an arithmetic sequence is 300 , the 1st tern is -3 and the 5th term is -1, Find the value of n?
If the sum of 1st n terms of an arithmetic sequence is 300 , the 1st tern is -3 and the 5th term is -1, Find the value of n?
lev888 Elite Member Joined Jan 16, 2018 Messages 2,993 Jan 28, 2021 #2 erfa said: If the sum of 1st n terms of an arithmetic sequence is 300 , the 1st tern is -3 and the 5th term is -1, Find the value of n? Click to expand... Please read posting guidelines and make sure to select appropriate forum. Your question is not "News".
erfa said: If the sum of 1st n terms of an arithmetic sequence is 300 , the 1st tern is -3 and the 5th term is -1, Find the value of n? Click to expand... Please read posting guidelines and make sure to select appropriate forum. Your question is not "News".
Steven G Elite Member Joined Dec 30, 2014 Messages 14,603 Jan 28, 2021 #3 With respect to arithmetic sequences what is a, d and the 300th term equal to?