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Mathematics
Problem
If
x
=
3
t
2
x=3t^{2}
x
=
3
t
2
and
y
=
2
t
3
y=2t^{3}
y
=
2
t
3
, then the value of
d
2
y
d
x
2
\dfrac{d^{2}y}{dx^{2}}
d
x
2
d
2
y
at
t
=
1
t=1
t
=
1
is a)
6
6
6
b)
1
6
\dfrac{1}{6}
6
1
c)
1
3
\dfrac{1}{3}
3
1
d)
1
18
\dfrac{1}{18}
18
1
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