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

2 Answers

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term 20 in the sequence of a = 42
User Darem
by
8.4k 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
by
8.1k points

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