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Mathematics
Problem
Let
y
=
1
+
3
x
2
y=\sqrt{1+3x^{2}}
y
=
1
+
3
x
2
. Find
d
2
y
d
x
2
\dfrac{d^{2}y}{dx^{2}}
d
x
2
d
2
y
at
x
=
2
x=2
x
=
2
. a)
−
3
13
3
/
2
-\dfrac{3}{13^{3/2}}
−
1
3
3/2
3
b)
9
13
3
/
2
\dfrac{9}{13^{3/2}}
1
3
3/2
9
c)
3
13
3
/
2
\dfrac{3}{13^{3/2}}
1
3
3/2
3
d)
3
13
\dfrac{3}{\sqrt{13}}
13
3
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