Show that: 1/log8(36) + 1/log9(36) + 1/log18(36) = 2

Given, Simplifying L.H.S. we get, = log 36 8 + log 36 9 + log 36 18 = log 36 (8 × 9 × 18) = log 36 (36) 2 = 2log 36 36 = 2. Since, L.H.S. = R.H.S., Hence, proved that .