Find the first term of the arithmetic sequence having the data given a_n=48, S_n=546, n = 26

pobi1k

pobi1k

Answered question

2022-09-06

Find the first term of the arithmetic sequence having the data given a n = 48 , S n = 546 , n = 26

Answer & Explanation

Gabriela Werner

Gabriela Werner

Beginner2022-09-07Added 11 answers

Formulas for the Sum of n terms of an Arithmetic Sequence
S n = n 2 ( a 1 + a n )
546 = 26 2 ( a 1 + 48 )
solving for a 1
a 1 = - 6

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