Discussion

Explanation:

Distance between two points (x₁, y₁) and (x₂, y₂) is $\sqrt{{\left(x_2-x_1\right)}^2+{\left(y_2-y_1\right)}^2}$

∴ Distance between A (3, 5) & B (6, 1) = $\sqrt{{\left(6-3\right)}^2+{\left(1-5\right)}^2}$ = $\sqrt{3^3+4^2}$ = 5

Hence, 5.

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