Torque acting on a particle about an arbitrary origin is zero, What can be said about the angular momentum of the particle about the origin ?

Explanation

To solve the question regarding the relationship between torque and angular momentum, let's break it down step by step.

### Step-by-Step Solution:

1. **Understanding the Given Information**:
- We are given that the torque acting on a particle about an arbitrary origin is zero.
- Mathematically, this can be expressed as:
\[
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