Question

If - 2/7,x,7/2 are in Gp then find x

Answer 1

Answer:

x=+1,-1

Step-by-step explanation:

a1=2/7

a2=x

a3=7/2

r=r

a2/a1=a3/a2

(a2)^2=a1×a3

a2=(a1×a3)^(1/2)

x=(7/2×2/7)^(1/2)

x= 1^(1/2)

x=+1,-1