Question

find the first 3 terms in the sequence given by the nth term n2+ 2n - 1

Answer 1

Answer:

2,7,14

Step-by-step explanation:

first term n=1

(1)²+2(1)-1

2

second term n=2

2²+2(2)-1

7

third term n=3

3²+2(3)-1

14

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Answer 2

Answer:

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