Question

answer this question​

Answer 1

$distance \: between \: two \: points = \sqrt{ {(y1 - x1) + {(y2 - x2) + {(y3 - x3)}^{2} }^{2} }^{2} } \\ \\ ab = \sqrt{ {(4 - 1)}^{2} + {(0 + 2)}^{2} + {( - 3 + 1)}^{2} } \\ = \sqrt{9 + 4 + 4} \\ = \sqrt{17} \\ \\ cd = \sqrt{ {(2 - 1)}^{2} + {( - 2 - 4)}^{2} + {( - 5 + 1)}^{2} } \\ \: = \sqrt{1 + 36 + 16} \\ = \sqrt{53}$


Distance between AB and CD = root 53- root 17
=3.1

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