Find the 51st term of the arithmetic sequence 29

Answered question

2022-03-27

Find the 51st term of the arithmetic sequence 29,9,11,...29,9,−11,...

 

Answer & Explanation

user_27qwe

user_27qwe

Skilled2022-04-22Added 375 answers

an=a1+(n-1)d

 

29=a1+(1-1)d

29=a1

9=29+(2-1)d

9=29+d

d=-20

an=29-20(n-1)

an=29-20n+20

an=-20n+49

 

a5=-20(51)+49=-951

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