Find the first term of the geometric sequence with a 7 = 256 and a 7 = 1024

Question

Find the first term of the geometric sequence with a₆ = 256 and a₆ = 1024

Answer 1

you must mean

a6 =256

a7 =1024, common ratio = r = 4

a5=256/4 = 64

a4 = 64/4 = 16

a3 =16/4 = 4

a2 = 4/4 = 1

a1 = 1/4