simplify this logarithm

(1/2)log₂ 36 → log₂ 36^1/2 → log₂ 6

 

So:  (1/2)log₂ 36 - log₂ 3 →  log₂ 6 -  log₂ 3 → log₂(6/3) → log₂ 2 → 1

.