In a triangle \( \mathrm{ABC} \), if \( \mathrm{A}(2,-1) \) and \( ...

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In a triangle \( \mathrm{ABC} \), if \( \mathrm{A}(2,-1) \) and \( 7 \mathrm{x}-10 \mathrm{y}+1=0 \) and \( 3 \mathrm{x}-2 \mathrm{y}+5=0 \) are equations of an altitude and an angle bisector respectively drawn from \( \mathrm{B} \), then equation of \( \mathrm{BC} \) is
(A) \( x+y+1=0 \)
(B) \( 5 x+y+17=0 \)
(C) \( 4 x+9 y+30=0 \)
(D) \( x-5 y-7=0 \)
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