Question

find the distance between the following pairs of points (2,3)and(4,1)

Answer 1

$\sqrt{ {(4 - 2)}^{2} } + \sqrt{( {1 - 3)}^{2} }$
by using this we get

√4+√4=4 answer

Answer 2

√(a¹-a²)²+(b¹-b²)²
√(2-4)²+(3-1)²
√4+4
√8
2√2