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Mathematics
Mathematics
Problem
Let
P
(
x
)
=
x
2
∫
1
x
1
+
t
4
d
t
P(x)=x^{2}\displaystyle\int_{1}^{x} \sqrt{1+t^{4}}\,dt
P
(
x
)
=
x
2
∫
1
x
1
+
t
4
d
t
. Evaluate
P
′
(
1
)
P'(1)
P
′
(
1
)
.
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