Asked by Lateef abeeb

Arithmetic progression
The first term of an a.p is 2 and the common difference is 3 find the sum of the first 11 term

Answers

Answered by mathhelper
Just use your formula:
sum(n) = (n/2)(2a + (n-1)d)

you have all the values:
n = 11
a = 2
d = 3

just sub in and evaluate
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