Question

48, -24, 12, -6,... 50th term

Answer 1

For the next series we will calculate its expression

$a_n=(-1)^{n+1}3\cdot2^{^{5-n}}$

For n = 1

an = 48

For n = 2

an = -24

For n = 50

an = 8.5265128e-14