Question

Insira quatro meios geométricos entre 1 e 243

Answer 1

1 ,      ,       ,      ,      ,243
1 ,   3 ,   9  ,  27,   81,243
 
 243/3
   81/3
   27/3
    9/3
    3/3
    1




 
 

Answer 2

a1 = 1
an = 243
n = 6

an = a1+(n-1).r
243 = 1+(6-1).r
243-1 = 5r
5r = 242
r = 242/5

pa = (1, 247/5, 489/5, 731/5, 973/5, 1215/5)