Expand the expression

Question

log2(square root of 2x/2)

Answer 1

square root of what ?
2x/2 = x
but
2 (sqrt 2x)/2 = sqrt (2x)
either way
log 2(square root of 2x/2) = log 2 + log (square root of Z)
= log 2 + 1/2 * log (Z)