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15 votes
Find the 13th term of the geometric sequence 1,−2,4

User Mgyongyosi
by
4.0k points

1 Answer

10 votes

Answer:

  • 4096

Explanation:

Given

  • Geometric sequence 1,−2,4
  • First term = 1
  • Common difference = -2

13th term is:

  • 1*(-2)^12 = 4096

User Pixelboy
by
4.2k points