Evaluate this identity with selected values for X:
ln(x) = 1 / log[X](B)
Log(1.2) = 1.8232155679395459E-001
1.0 / Log(e, 1.2) = 1.8232155679395459E-001
Log(4.9) = 1.5892352051165810E+000
1.0 / Log(e, 4.9) = 1.5892352051165810E+000
Log(9.9) = 2.2925347571405443E+000
1.0 / Log(e, 9.9) = 2.2925347571405443E+000
Log(0.1) = -2.3025850929940455E+000
1.0 / Log(e, 0.1) = -2.3025850929940455E+000