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Find the 12th term of the arithmetic sequence whose common difference is d=9 and whose first term is a, 5.
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Find the 12th term of the arithmetic sequence whose common difference is d=9 and whose first term is a, 5.

User Folen Gateis
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1 Answer

11 votes
Solution,
Common differences(d)= 9
First term (a)= 5
Now
12th term( t12)= a+(n-1)d
=5+(12-1)9 Therfore, tn= t12
=5+11*9
=5+99
=104 is the answer
User Atousa Darabi
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6.3k points
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