Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Let
P
(
x
)
=
∫
1
x
cos
(
π
t
)
d
t
P(x)=\displaystyle\int_{1}^{x} \cos(\pi t)\,dt
P
(
x
)
=
∫
1
x
cos
(
π
t
)
d
t
. What is
P
′
(
3
)
P'(3)
P
′
(
3
)
? a)
1
1
1
b)
−
π
-\pi
−
π
c)
−
1
-1
−
1
d)
0
0
0
Browse the problem library