Question

calcule:a)o quinto termo da pg(12,4,4/3,...)

Answer 1

a1 = 12
a2 = 4
a3 = 4/3
q = 4/12 = 1/3 ***
a1q⁴ = 12 * ( 1/3)⁴ = 12 * ( 1/81) = 12/81= 4/27 ****