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Mathematics
Mathematics
Problem
If
y
=
x
+
e
x
y = x + e^x
y
=
x
+
e
x
, then at
x
=
1
x = 1
x
=
1
,
d
2
x
d
y
2
\frac{d^2x}{dy^2}
d
y
2
d
2
x
is equal to - (A)
e
e
e
(B)
−
e
(
1
+
e
)
3
\frac{-e}{(1+e)^3}
(
1
+
e
)
3
−
e
(C)
−
e
(
1
+
e
)
\frac{-e}{(1+e)}
(
1
+
e
)
−
e
(D)
−
e
(
1
+
e
)
2
\frac{-e}{(1+e)^2}
(
1
+
e
)
2
−
e
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