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Mathematics
Mathematics
Problem
Prove that the function
h
:
R
→
R
h:\mathbb{R}\to\mathbb{R}
h
:
R
→
R
defined by
h
(
x
)
=
x
3
−
x
h(x)=x^{3}-x
h
(
x
)
=
x
3
−
x
is onto.
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