At what position of a body executing shm its acceleration (i) maximum and (ii) zero.

Explanation

To solve the question regarding the positions of a body executing Simple Harmonic Motion (SHM) where its acceleration is maximum and zero, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding SHM**:
- In SHM, a particle oscillates about a mean position (equilibrium position). The displacement from this mean position is denoted as \( x \).

2. **Acceleration in SHM**:
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