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Let A(6,4)a n dB(2,12) be two given poin...

Let `A(6,4)a n dB(2,12)` be two given point. Find the slope of a line perpendicular to `A Bdot`

Text Solution

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Let m be the slope of AB. Then, `m=(12-4)/(2-6)=(8)/(-4) =-2`
So, the slope of a line perpendicular to AB is `(1)/(m)=(1)/(2)`
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