The first three terms of a geometric are 3p, 5p + 5, 8p + 20 progression respectively.
Question:
The first three terms of a geometric are 3p, 5p + 5, 8p + 20 progression respectively.
a) Show that p² − 10p + 25 = 0.
b) Hence show that p = 5 and find the common ratio of this progression.
c) Find the sum of the first 10 terms of the
progression.
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a The first three terms of the geometric progression are 3p 5p 5 8p 20 To check if this is a geometr...View the full answer
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Related Book For 
Complete Pure Mathematics 1 For Cambridge International AS & A Level
ISBN: 9780198427438
2nd Edition
Authors: Jean Linsky, Brian Western, James Nicholson
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