Evaluate :

`log_a(1 )  log_a(2 )   log_a(3 )`

Evaluate log_2 log_2 log_3 81

Evaluate :((log_(3)(135))/(log_(15)(3)))-((log_(3)(5))/(log_(405)(3)))

Find the value of log_(4)*log_(2)log sqrt(2)log_(3)(x-21)=0

Find the value of log_(5) log_(2)log_(3) log_(2) 512 .

Which of the following numbers are positive/negative? log_(2)7( ii) log_(0.2)3 (iii) log_(1/3)((1)/(5))log_(4)3(v)log_(2)(log_(2)9)

Evaluate (log_(3)135)/(log_(15)3)-(log_(3)5)/(log_(405)3)

Find x if log_(2) log_(1//2) log_(3) x gt 0

If n=|__2002, evaluate (1)/(log_(2)n)+(1)/(log_(3)n)+(1)/(log_(4)n)+......+(1)/(log_(2002)n)

log_2 [log_3(log_2 x)]=1