Write down the subsets of the sets :
(i) {1}

Answer

To find the subsets of the set \( A = \{1\} \), we can follow these steps:

### Step 1: Understand the Definition of a Subset
A subset is a set that contains some or all elements of another set. The empty set (denoted as \( \emptyset \)) is also considered a subset of every set.

### Step 2: Identify the Elements of the Set
The set \( A \) contains only one element, which is \( 1 \).

### Step 3: List the Possible Subsets
For a set with \( n \) elements, the number of subsets is \( 2^n \). Since our set \( A \) has 1 element, the number of subsets will be \( 2^1 = 2 \).

The subsets of \( A \) are:
1. The empty set \( \emptyset \)
2. The set itself \( \{1\} \)

### Step 4: Write Down the Subsets
Thus, the subsets of the set \( A = \{1\} \) are:
- \( \emptyset \)
- \( \{1\} \)

### Final Answer
The subsets of the set \( \{1\} \) are \( \emptyset \) and \( \{1\} \).

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