Question

Given 3, 6, 12, 24,..., which term number is 384?

Answer 1

HOLA MATE.........

a = 3 ,d= 3, an =384 n =?

so, an = a+ ( n - 1) d

384 = 3 + (n-1)×3

384-3 = (n-1)×3

381/3 = n-1

127 + 1 = n

so, n = 128th term