Respuesta :
in the sequence, a,b,c,d... the common ratio is b/a or c/b or d/c etc
so
common ratio in 225 and 49 and 9 is
49/225 or 9/45=1/5
the common ratio is 1/5
so
common ratio in 225 and 49 and 9 is
49/225 or 9/45=1/5
the common ratio is 1/5