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Find Term 20 for the sequence a= 4 6 8 10......​
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Find Term 20 for the sequence a= 4 6 8 10......​

User DmitrySemenov
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2 Answers

7 votes
term 20 in the sequence of a = 42
User Darem
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4.1k points
5 votes

4,6,8,10 are in A.P

  • a=4
  • d=2


\\ \rm\Rrightarrow a_n=a+(n-1)d


\\ \rm\Rrightarrow a_20=4+(20-1)2


\\ \rm\Rrightarrow a_20=4+19(2)


\\ \rm\Rrightarrow a_20=4+38


\\ \rm\Rrightarrow a_20=42

User BeauXjames
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3.3k points
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