Math, asked by ibrahimajmalch, 20 days ago

find the sum of 40terms of the sequence 5,8,11,14​

Answers

Answered by dnikhild26
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 sindhu2006r
0

a=5, d=a2-a1=8-5=3 n=3 sn=n/2 +(2a+(n-1) d

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