Question

if 5,x y z 405 are the first five terms of a GP ,find the values of x y z

Answer 1

Answer:

Step-by-step explanation:

a = 5

x = 5r

y = 5r^2

z = 5r^3

405 = 5r^4

405/5 = r^4

81 = r^4

r^4 = 3^4

r = 3

x = 5[3] = 15

y = 15[3] =45

z = 45[3] =135