Question

Find the distance between the following pairs of points:
(i) (2, 3), (4, 1)​

Answer 1

Let x1=2 and y1=3 , let x2=4 and y2 = 1

$\sqrt{(x2 - x1)^{2} + (y2 - y1)^{2}}$

$\sqrt{(4 - 2)^{2} + (1 - 3)^{2} }$

$\sqrt{(2)^{2} + ( - 2)^{2} }$

$\sqrt{4 + 4}$

$\sqrt{8}$

$\sqrt{2 \times 2 \times 2 }$

$2 \sqrt{2}$

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