Doubt from 2D Coordinates

Suppose that the points (h, k), (1, 2) and (-3, 4) lie on the line L1. If a line L2 passing through the points (h, k) and (4, 3) is perpendicular to L1, then k/h equals

[JEE Main 2019 | 8th April II]

( A ) - 1/7
( B ) 1/3
( C ) 3
( D ) 0

Answer: ( C )

The answer I’m getting for this question is ( B ). Can someone verify?

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Yee getting the same.

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Alright thanks! Arihant book says ( C ).

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Yes getting B

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