Orthocentre of the triangle whose sides are given by \( 4 x-7 y+10=0, x+y-5=0 \) and \( 7 x+4 y-...

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Orthocentre of the triangle whose sides are given by \( 4 x-7 y+10=0, x+y-5=0 \) and \( 7 x+4 y-15=0 \) is
(A) \( (-1,-2) \)
(B) \( (1,-2) \)
(C) \( (-1,2) \)
(D) \( (1,2) \)
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