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Integrals
medium
0:00.0
If
∫
1
b
1
x
d
x
=
2
\int_{1}^{b} \frac{1}{x} dx = 2
∫
1
b
x
1
d
x
=
2
, find
b
b
b
.
A
2
2
2
B
e
e
e
C
e
2
e^2
e
2
D
1
/
e
2
1/e^2
1/
e
2
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