# 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 2019-09-02 00:54:20 +0200 **

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)
```

Please start posting anonymously - your entry will be published after you log in or create a new account.

Asked: ** 2019-09-02 00:10:09 +0200 **

Seen: **130 times**

Last updated: **Sep 02 '19**

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

How do I understand the result of symbolic integrals

why is symbolic comparison so slow?

Numerical integration in a function

Differentiating Complex Conjugated Functions

A Combinatorics Problem - Product Rule Indices

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.