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what is the Geometric sequence of 256, 192,144, 108...

Using the explicit formula

Sagot :

Crisforpidn
a = 256 ;
ar = 192 ;
r = 192 / 256 = 0.75 ;
ar^2 = 144;
r^2 = 144 / 256 = 0.5625 ;
r = [tex] \sqrt{0.5625} =0.75[/tex] ;
where r ≠ 0 is the common ratio and a is a  scale factor ;
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