\
(a)
\
The exponential equation is
.
\
\
Definition of logarithm function is
.
\
.
\
\
(b)
\
The
exponential equation
is
.
\
\
Definition of logarithm function is
.
\
.
\
\
(a)
.
\
(b)
.
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.![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
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.![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
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.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=94207c9e3d751d1a0ba7cecdb8f8115f.png\")
.