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Given the sequence $4 ; x ; 32$

Determine the value(s)of x if the sequence is:

  1. Arithmetic
  2. Geometric
in Grade 12 Maths by Platinum (111k points) | 17 views

1 Answer

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1. applying common difference,

x-4=32-x

2x=32+4

   2x=36

   x= 18

2. apply common ratio,

x/4 = 3/x

x^2 =12

 x = +/-(sqroot(12))= +/-2(sqroot(3))
by Diamond (82.9k points)

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