Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
If
∫
2
x
x
2
d
x
=
k
⋅
2
1
x
+
C
\int \frac{2^x}{x^2} dx = k \cdot 2^{\frac{1}{x}} + C
∫
x
2
2
x
d
x
=
k
⋅
2
x
1
+
C
, then
k
k
k
is equal to (A)
−
1
log
2
\frac{-1}{\log 2}
l
o
g
2
−
1
(B)
−
log
2
-\log 2
−
lo
g
2
(C)
−
1
-1
−
1
(D)
1
2
\frac{1}{2}
2
1
Browse the problem library