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![\bf \textit{distance between 2 points}\\ \quad \\ \begin{array}{lllll} &x_1&y_1&x_2&y_2\\ % (a,b) &({{ -5}}\quad ,&{{ 6}})\quad % (c,d) &({{ 8}}\quad ,&{{ -4}}) \end{array}\qquad % distance value d = \sqrt{({{ x_2}}-{{ x_1}})^2 + ({{ y_2}}-{{ y_1}})^2} \\\\\\ d=\sqrt{[8-(-5)]^2+[-4-6]^2}\implies d=\sqrt{(8+5)^2+(-4-6)^2} \\\\\\ d=\sqrt{13^2+(-10)^2}\implies d=\sqrt{169+100}\implies d=\sqrt{269}](/tpl/images/0445/6022/99d57.png)
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Find the distance between each pair of points (-5,6) (8,-4)...
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