Answers

2016-06-23T18:44:48+08:00
The 26th term is 104. im not sure so sorry if its wrong.
1 5 1
2016-06-23T18:46:13+08:00
An=a1+(n-1)d
=4+(26-1)4
=4+(25)(4)
=4+100
an=104
0
thank
Sn = n/2 [2a+(n-1)d]
Sorry
that is use when finding the sum