4.4.2 Logarithms Equation – Example 2 & 3

Example 2
Solve the following equation:
(a) log y 81 3 = log y 3
(b) 2 log 2 x log 2 ( x 2 1 ) 4 = 0








Example 3
Sole the following equation:
(a) log 3 [ log 2 ( 2 x 1 ) ] = 2
(b) log 16 [ log 2 ( 5 x 4 ) ] = log 9 3






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