Reference
Practice
Premium
Log In
English
English ✔
Español
日本語
简体中文
繁體中文
Rule of Negative One
Reference
> Algebra: Natural Logarithms
Description
The Rule of Negative One states that:
ln
(
−
1
)
=
i
π
\ln{(-1)}=i\pi
ln
(
−
1
)
=
i
π
Examples
ln
(
−
1
)
π
\frac{\ln{(-1)}}{\pi }
π
ln
(
−
1
)
1
Use
Rule of Negative One
:
ln
(
−
1
)
=
i
π
\ln{(-1)}=i\pi
ln
(
−
1
)
=
i
π
.
ı
π
π
\frac{\imath \pi }{\pi }
π
π
2
Cancel
π
\pi
π
.
ı
\imath
Done
IM
English
Rule of Negative One