What would be the Euclidean distance between $2$ data points X$(1,3)$ and Y$(2,3)?$

$1$

$2$

$3$

$4$What would be the Euclidean distance between $2$ data points X$(1,3)$ and Y$(2,3)?$

$1$

$2$

$3$

$4$Which of the following statement is true

A $$ KNN performs better if all of the data have same scale

B $$ KNN works well with small dataset

Only A

Only B

Both A & B

Neither A Nor B