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Mathematics
Mathematics
Problem
The curve is defined by
x
(
t
)
=
t
3
−
3
t
x(t)=t^{3}-3t
x
(
t
)
=
t
3
−
3
t
and
y
(
t
)
=
t
2
+
1
y(t)=t^{2}+1
y
(
t
)
=
t
2
+
1
. Determine all values of
t
t
t
at which the curve has a vertical tangent line.
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