if the nth term of a sequence is 2n+2n squared, find the first 3 terms and the 10th term please help
1 answer:
Answer:
3rd term: 24
10th term: 220
Step-by-step explanation:
<em>For the 3rd term</em>
2*3 + 2*(3^2) = 6 + 2*9 = 6 + 18 = 24
<em>For the 10th term</em>
2*10 + 2*(10^2) = 20 + 2*100 = 20 + 200 = 220
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