Question

the distance btw the points m,-n and-m,n
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Answer 1

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The distance of a point p(m, n) from the origin O (0, 0) is given by mn = (x−0)2+(y−0)2−−−−−−−−−−−−−−−√

i.e., OP = x2+y2−−−−−−√

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