find the sum of 40terms of the sequence 5,8,11,14
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0
Answer:
5,
8,
11,
14,
17,
20,
23
,26,
29,
32,
35,
38,
41,
44,
47,
50
,53,
56,
59,
62,
65
,68,
71,
73,
76
,79,
82
,85,
88,
91,
94,
97,
100,
103
,106,
109
,112
,115,
118
,121,
124,
127
,130,
133
hope it helps you
Answered by
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a=5, d=a2-a1=8-5=3 n=3 sn=n/2 +(2a+(n-1) d
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