The first, third and sixth terms of an arithmetic progression (AP) correspond to the first three consecutive terms of a geometric progression (GP). The first term...

      

The first, third and sixth terms of an arithmetic progression (AP) correspond to the first three consecutive terms of a
geometric progression (GP). The first term of each progression is 16, common difference of AP and d and common
ratio of the GP is r.
a) i) Write two equations involving d and r.
ii) Find the values of d and r.
b) Find the sum of the first 20 terms in the
i) Arithmetic progression (AP).
ii) Geometric progression (GP)

  

Answers

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sharon kalunda answered the question on May 3, 2019 at 06:56

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