Select which ones of the following equalities are correct and would be useful to establish that log₂x and log₁₀x are of the same order: (check all that apply.)
a) log₂x = log₁₀x
b) log₂x = log₁₀x / log₂(10)
c) log₁₀x = log₂x / log₁₀(2)
d) log₁₀x = log₂x * log₁₀(2)