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Question

log(x² - 4) + log(1/ (x - 2)) - log(x+2)

Answer 1

log ( x ²- 4 ) + log ( 1 / ( x - 2 ) ) - log ( x + 2 )

= log ( ( x + 2 ) ( x - 2 ) ) + log ( 1 ) - log ( x - 2 ) - log ( x + 2 )

= log ( x + 2 ) + log ( x - 2 ) + 0 - log ( x - 2 ) - log ( x + 2 )

= 0