Question

Find the distance between the following pairs of points.
$A(2,3),B(4,1)$

Answer 1

$A(2,3)B(4,1)$

$\therefore d(A,B)=\sqrt{(2-4{)}^2+(3-1{)}^2}$

$\therefore d(A,B)=\sqrt{4+4}$

$\therefore d(A,B)=\sqrt{8}$

$\therefore d(A,B)=2\sqrt{2}$