- #1

mathdummy

## Main Question or Discussion Point

[tex]log_10x-2[/tex]=0 ....... that's log base 10

(answer: 100)

ln(x+5)=ln(x-1)-ln(x+1)

(answer: no solution. but why?)

[tex]log_4x-log_4(x-1)[/tex]=1/2

(answer: 2)

(answer: 100)

ln(x+5)=ln(x-1)-ln(x+1)

(answer: no solution. but why?)

[tex]log_4x-log_4(x-1)[/tex]=1/2

(answer: 2)

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