Ap EapcetStraight Lines And Pair Of Straight LinesAP EAPCET 2024 - 22th May Morning ShiftMCQ+1 / -02024 The orthocentre of the triangle formed by lines $x+y+1=0, x-y-1=0$ and $3 x+4 y+5=0$ isA$(0,-1)$B $(0,0)$C$(1,1)$D$(-1,0)$Check AnswerClear SelectionReveal AnswerShow Explanation