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Show that the joining (2,-5) and (-2, 5)...

Show that the joining (2,-5) and (-2, 5) is perpendicular to the line joining (6,3) and (1,1).

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Slope of `(2,−5`) and `(−2,5)`= `(5+5)/(-2-2)=(10)/(-4)``=m_1`
Slope of `(6,3)` and `(1,1)`= `(3-1)/(6-1)=(2)/(5)=m_2`
`m _1xxm_2` ​ = `((5)/(2))((2)/(5))`=−1
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