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Mathematics
Problem
For the parametric equations
x
=
2
t
+
1
x=2t+1
x
=
2
t
+
1
and
y
=
3
t
2
−
t
y=3t^{2}-t
y
=
3
t
2
−
t
, find
d
2
y
d
x
2
\dfrac{d^{2}y}{dx^{2}}
d
x
2
d
2
y
at
t
=
2
t=2
t
=
2
.
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