Mathematics

Problem

Find the general term

u_n

of the geometric sequence which has: a.

u_4 = 24

and

u_7 = 192

u_3 = 8

and

u_6 = -1

u_7 = 24

and

u_{15} = 384

u_3 = 5

and

u_7 = \frac{5}{4}