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siniylev [52]
3 years ago
9

Given rule an= 2(n 2 + 2n), find the first term in the sequence

Mathematics
1 answer:
harkovskaia [24]3 years ago
3 0

a_n=2(n^2+2n)\\\\a_1-first\ term\to n=1\\\\a_n=2(1^2+2\cdot1)=2(1+2)=2(3)=6\\\\Answer:\ \boxed{B.\ 6}

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