Question

find the distance between (2,3),(4,1) by distance formulA

Answer 1

√(4-2)²+(1-2)²=√(2)²+(-1)²=√4-1=√3

Answer 2

x₁=2,x₂=4 ,y₁=3,y₂=1
 
xy=√[x₂-x₁]²+[y₂-y₁]²
     √[4-2]²+[1-3]²
⇒√2²+(-2)²
⇒√4+4
⇒√16
⇒4 sq units.