what is the sum of the sequnce with the terms of 2,9,16,23,30,37,44,51
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what is the sum of the sequnce with the terms of 2,9,16,23,30,37,44,51
what is the sum of the sequnce with the terms of 2,9,16,23,30,37,44,51
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Answer:
212
Step-by-step explanation:
Sn = n/2 [ 2a1 + (n-1) d ]
S8 = 8/2 [ 2(2) + (8-1) 7 ]
S8 = 4 [ 4 + 7(7) ]
S8 = 4 ( 4 + 49 )
S8 = 4 (53)
S8 = 212