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The value of k such that the lines $2x-3y+k=0,3x-4y-13=0$ and $8x-11y-33=0$ are concurrent , is

$\begin {array} {1 1} (1)\;20 & \quad (2)\;-7 \\ (3)\;7 & \quad (4)\;-20 \end {array}$

Can you answer this question?

(2) -7
answered Nov 7, 2013 by

+1 vote