Question

find the distance between the points A(5,3) ,B(2 ,-1 )​

Answer 1

Step-by-step explanation:

Let coordinates of point A be (x1,y1) and that of B be (X2 , y2) .

By using distance formula

d(AB) = √(2-5)² + (-1-3)²

= √ -3² + -4²

= √ 9+16

=√25

so d(AB) = 5

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Answer 2

Answer:

Step-by-step explanation:

√(x₂ - x₁)² + (y₂ - y₁)²

√(-2 - 5)² + (1 + 3)²

√(-7)² + (4)²

√49 + 16

√65