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Mathematics
Problem
Explain in not more than two sentences why the derivative of
a
x
a^{x}
a
x
(where
a
>
0
,
a
≠
1
a>0,\,a\neq1
a
>
0
,
a
=
1
) is always directly proportional to
a
x
a^{x}
a
x
.
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