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Sequence: 15,19,23,27,… 15 , 19 , 23 , 27, =−1 a n = a n − 1 ? ? 1= a 1 = ?
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Sequence: 15,19,23,27,… 15 , 19 , 23 , 27, =−1 a n = a n − 1 ? ? 1= a 1 = ?

User Amela
by
9.0k points

1 Answer

2 votes

Answer:


a_n=4n+11

Explanation:

Common difference is
d=4 with the first term being
a_1=15:


a_n=a_1+(n-1)d\\a_n=15+(n-1)(4)\\a_n=15+4n-4\\a_n=4n+11

User SRN
by
8.4k points
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