Rationalise the denominator of `1/(7+3sqrt(2))`

Explanation

To rationalize the denominator of the expression \( \frac{1}{7 + 3\sqrt{2}} \), we will follow these steps:

### Step 1: Identify the Conjugate
The conjugate of the denominator \( 7 + 3\sqrt{2} \) is \( 7 - 3\sqrt{2} \).

### Step 2: Multiply the Numerator and Denominator by the Conjugate
We will multiply both the numerator and the denominator by the conjugate:

...