Compute the sum of first 30 terms of the AP 3, 8, 13, 18…
Answers
Answered by
6
Answer:
2265
Step-by-step explanation:
Sn=n/2(2a+(n-1)d)
=30/2(2*3+(30-1)5)
=15(6+145)
=2265
Answered by
3
Answer:
2265
Step-by-step explanation:
a=3 d=5
a30=a+(n-1)d
=3+29(5)
=3+145
=148
Sum of 30 terms=n/2xa+L
15x151=2265
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