Posted by Linda on Saturday, November 27, 2010 at 7:25pm.
1.
e^ln 3 = 3
so
3 - ln x^2
2.
2z^2 +z-1 = 0
(2z-1)(z+1) = 0
z = 1/2 or -1
ln x = 1/2
e^ln x = x = e^.5 = 1.65
ln x = -1
e^-1 = 1/e = .367
3.
do not understand notation
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