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Mathematics
Problem
18. Prove that the function given by
f
(
x
)
=
x
3
−
3
x
2
+
3
x
−
100
f(x)=x^{3}-3 x^{2}+3 x-100
f
(
x
)
=
x
3
−
3
x
2
+
3
x
−
100
is increasing in
R
\mathbf{R}
R
.
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