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erastovalidia [21]
2 years ago
11

The first term of an AP is 2 and the

Mathematics
1 answer:
yanalaym [24]2 years ago
7 0

Answer:

Sn = n/2[2a + (n-1)d]

n=11

a=2

d=3

Sn= 11/2[2(2) + (11-1)3]

Sn= 11/2(34)

Sn = 11x17

=187.

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