The points A and B have coordinates (3, 2) and (1, 4) respectively.
So, the slope of any line perpendicular to AB is

-2

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-1

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Solution

The correct option is B
1

The slope of any line given two points on it is

[Difference of the y coordinates/ difference of the x coordinates] taken in the same order

So here the slope of AB =-1

We know that the product of the slopes of two lines which are perpendicular to each other =-1. Hence the slope of the required line= 1.

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