3 years ago

Please help ASAP!!! What is the sum of this series?

Mathematics

1 answer:

Katarina [22]3 years ago

6 0

Answer:

Step-by-step explanation:

Since this is only three terms

Find the three terms and add

j=1 3(1)^2+1 = 3+1 =4

j=2 3(2)^2+1 = 3(4)+1 =13

j=3 3(9)^2+1 = 27+1 =28

The sum is 4+13+28 =45

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