The distance between the points (m,- 7) and (-m,n) is
A) √m^2+n^2
B) m+n
C) 2√m^2+n^2
D) √2m^2+2n^2
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The distance between the points (m,- 7) and (-m,n) is
A) √m^2+n^2
B) m+n
C) 2√m^2+n^2✔
D) √2m^2+2n^2
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