Question

pi) IF (x-4), is geometric mean of (x-5) and (x-2)
then find x.​

Answer 1

Geometric mean of two numbers, a and b is

ab

So, geometric mean of (x−5),(x−2) is

(x−5)×(x−2)

=(x−4)

Squaring both sides,

x

2

−5x−2x+10=x

2

−8x+16

−7x+8x=16−10

x=6