log4(2*log3(1+log2(1+3*log2(x))))=(1/2)

log₄(2*log₃(1+log₂(1+3*log₂x)))=1/22*log₃(1+log₂(1+3*log₂x))=4¹/²2*log₃(1+log₂(1+3*log₂x))=2log₃(1+log₂(1+3*log₂x))=11+log₂(1+3log₂x)=3¹log₂(1+3log₂x)=21+3log₂x=2²3log₂x=3log₂x=1x=2