# how do I enter (3e+2i)(−3+πi)?

every time I enter I to represent i, it comes as an invalid syntax? pls help :)

how do I enter (3e+2i)(−3+πi)?

asked **
2019-09-01 17:54:20 -0500
**

Anonymous

every time I enter I to represent i, it comes as an invalid syntax? pls help :)

add a comment

3

The multiplication should be explicited with a `*`

, and $\pi$ is denoted by `pi`

:

```
sage: (3*e+2*I)*(-3+pi*I)
(I*pi - 3)*(3*e + 2*I)
```

Asked: **
2019-09-01 17:10:09 -0500
**

Seen: **30 times**

Last updated: **Sep 02 '19**

How are symbolic derivatives composed in quaternions?

Unexpected result in calculating limits

Sample question: How do I compute symbolic integrals like $\int{sin(x) tan(x)} dx$

How do I understand the result of symbolic integrals

Sage Calculus Tutorial -- continuity practice problems

Is it better practice to show SAGE code on a web use of SAGE?

Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.