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Questions  >>  CBSE XI  >>  Math  >>  Straight Lines
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The line through the points $(h,3)$ and $(4,1)$ intersects the line $7x-9y-19=0$ at right angle. Find the value of $h$.

$\begin{array}{1 1}(A)\;h=-\large\frac{22}{9} \\(B)\; h=\large\frac{22}{9} \\(C)\; h=\large\frac{9}{22} \\(D)\;h=-\large\frac{9}{22} \end{array} $

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