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The foot of the perpendicular from the point $(1, 2)$ on the line passing through the points $(5, 4)$ and $(7, 4)$ is $(a, b)$ then $a + b =$

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Correct option is C

Equation of the line joining two points (5,4) and (7,4) is y=4, because y coordinates are same and equal to 4 Foot of the perpendicular from the point (1,2) on the line y=4 is (1,4), which is (a,b) Hence a+b=1+4=5

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The foot of the perpendicular from the point 1,2 on the line passing through the points5,4 and 7,4is a,b then a+b =

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The foot of the perpendicular from the point $(1, 2)$ on the line passing through the points $(5, 4)$ and $(7, 4)$ is $(a, b)$ then $a + b =$