What Is The Nth Term For A Sequence Below?, 3,4,5,6,7, 2,5,7,9,11, 2,4,8,16,32, -1,1,-1,1.-1

What is the nth term for a sequence below?

3,4,5,6,7
2,5,7,9,11
2,4,8,16,32
-1,1,-1,1.-1

 

Answer:

  1. a_n=2+n
  2. a_n=1+2n
  3. a_n=2ⁿ
  4. a_n=-1ⁿ

a_n means a sub of n..


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