Find the point on the curve `y^2=4x` which is nearest to the point (2, 1).

Explanation

To find the point on the curve \( y^2 = 4x \) that is nearest to the point \( (2, 1) \), we can follow these steps:

### Step 1: Define the point on the curve
Let the point on the curve be \( P(x, y) \). Since the point lies on the curve \( y^2 = 4x \), we can express \( x \) in terms of \( y \):
\[ x = \frac{y^2}{4} \]
Thus, the point \( P \) can be represented as:
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