Question 608037
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi
*[tex \LARGE\ \ log_2x^12 - log_2x^7 = log_2(x^12/x^7)= log_2x^5=33 ]
 2^33 = x^5
  {{{root(5,2^33)}}} = x = 97.0059
*[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]