Question

calcule x,tal que x-2,x,2x-3 sejam termos consecutivos

Answer 1

x - (x-2) = 2x - 3 - x 

x - x + 2 = x - 3

x - x + x = 2 + 3

x = 5



a1 = x- 2 = 5 -2 ==> 3
a2 = x = 5
a3 = 2x - 3 = 2.5 -3 = 10-3==> 7

( 3,5,7,...................)