Find the 20th term in the following arithmetic sequence : 12, 15, 18, 21, ..

asked Jan 25, 2022 70.0k views

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Find the 20th term in the following
arithmetic sequence :
12, 15, 18, 21, ..

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2 votes

So basically its arithmetic sequence cause u keep on adding 3
Rule: an=a1+(n-1)d
12+(20-1)(3)
Answer : 69

Eternal answered Jan 31, 2022

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