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
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
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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