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If log
If log pictures 5
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If log
if log x/y-zu003dlogy/z-xu003dlogz/x-y
if log 2 log(2^x-1)
if log a u003d4 zu003d0.3
if log 2 u003d 0.3010
if log a/b+log b/au003dlog(a+b) then
if log 12 27u003da
if log x-log(2x-1)u003d1 find x
if log 0.3 (x-1)
if log 2 log (2^n-1)
if log in
