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Find the 97th of the arithmetic sequence 25, 29, 33, ...

1 Answer

3 votes

Answer:

434

Explanation:

hello :

note : the n th term of an arithmetic sequence is :

An =A1+(n-1)d ....a common difference is : d and A1 the first term

in this exercice : d = 33-29 =29-25= 4 A1 = 25

when : n =97 you have the 97rd term A97

so : A97 =25 +(97-1)(4)

A97 = 434

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