Two Important Results of Logarithm –
i) logₐ 1 = 0, since a⁰ = 1
ii) logₐ a = 1, since a¹ = a
Example.1) log₂ 1 = 0, log₅ 1 = 0, log₉ 1 = 0, log₇ 1 = 0
Example.2) log₃ 3 = 1, log₅ 5 = 1, log₁₀ 10 = 1