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Thall0putrich
Thall0putrich Thall0putrich
  • 13-07-2016
  • Mathematics
Answered

the second term of geometry sequence is 675 and the fifth term is 25. find the common ratio.

Verified Answer :

Ckaranja
Ckaranja Ckaranja
  • 13-07-2016

Nth term of a geometric sequence=a\(r^{n-1}\)
second term:
675=ar
Fifth term;
25=a\(r^{4}\)

Dividing fifth term by second term;
25=\(r^{3}\)
Common ratio r is thus\(\sqrt[3]{25}\)


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