The Total solution for NCERT class 6-12
If a is the G.M. of 2 and ¼ find a.
We know that GMbetween a and b is √ab
Let a = 2 and b = 1/4
GM = √(2×1/4)
= √(1/2)
= 1/√2
∴ value of a is 1/√2