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January 30, 2015

January 30, 2015

Posted by **Malek** on Saturday, January 15, 2011 at 6:45am.

- Math -
**drwls**, Saturday, January 15, 2011 at 7:27amCall the first term A1.

The An term is A1*r(n-1)

A4 = 8

A4 + A5 = 12 so A5 = 4 and r = 1/2 is the ratio.

Since A4 = 8, A1 = 64 is the first term

The series progression is

64, 32, 16, 8, 4, 2,...

- Math -
**Anonymous**, Tuesday, December 18, 2012 at 2:59amIf 10th term of a G.P. Is 9 and fourth term is 4, then its 7th term is:

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