If
f
(
x
)
=
7
x
ln
(
x
)
\displaystyle {f{{\left({x}\right)}}}={7}{x}^{{{\ln{{\left({x}\right)}}}}}
f
(
x
)
=
7
x
l
n
(
x
)
, find
f
′
(
5
)
\displaystyle {f}'{\left({5}\right)}
f
′
(
5
)
.
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\displaystyle
Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity