Find the sum of the first 48 terms of the following series, to the nearest integer.
2 answers:
Step-by-step explanation:
∑k=150(3k+2)
First find a1 and a50 :
a1=3(1)+2=5a20=3(50)+2=152
Then find the sum:
Sk=k(a1 + ak)2S50=50(5 + 152)2=3925
Answer:
3672
Step-by-step explanation:
Delta math
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