Find the sum of first 14 terms for a sequence starting with 2
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Step-by-step explanation:
sequence: 2,3,4...........
a=2
d=1
n=14
last term=a+(n-1)d
=15
sum=n/2(2a+(n-1)d)
= 7(4+13)
= 119
Hope it helps
#/AJ#/
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