Question 607813
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi
*[tex \LARGE\ \ log_2(x+2) - log_2(x-2)= 4]
*[tex \LARGE\ \ log_2(x+2)/(x-2)= 4]
{{{ 2^4 = (x+2)/(x-2)}}}
16(x-2)= (x+2)
 15x = 34
   x = 34/15
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*[tex \large \ \ \ log_b(x) \ = \ y \ \ \Rightarrow\ \ b^y = x]********
*[tex \large\ \ nlog_bx = log_b(x^n) ]
*[tex \large\ \ log_bx + log_by = log_b(xy) ]
*[tex \large\ \ log_bx - log_by = log_b(x/y) ]***********
*[tex \large\ \ log_b1 = 0]
*[tex \large\ \ log_bb = 1]