Question

find the distance between the following (a b) and (-a -b)

Answer 1

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Answer 2

x1 = a ,x2 = -a

y1 = b ,y2 = -b


$\sqrt{ {(a - ( - a))}^{2} + {(b - ( - b))}^{2} } \\ \\ = > \sqrt{ {(2a)}^{2} + {(2b)}^{2} } \\ \\ = > \sqrt{4 {a}^{2} + 4 {b}^{2} } \\ \\ = > 2 \sqrt{ {a}^{2} + {b}^{2} }$