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Akimi4 [234]
3 years ago
10

Arithmetic series HELP PLEASE

Mathematics
2 answers:
KIM [24]3 years ago
5 0

Answer:

5050

Step-by-step explanation:

∑_{n=1 to 50} (4n-1)

a1=4×1-1=3

a2=4×2-1=7

a3=4×3-1=11

......................

......................

......................

a50=4×50-1=199

n=50

Sn=n/2(a1+an)

S50=50/2(3+199)=50/2×202=50×101=5050

otez555 [7]3 years ago
3 0
Put the value of n from 1 to 50 in 4n-1
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Answer:

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Step-by-step explanation:

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