Grade 11TrigonometryThe co -ordinates of point P on the line 2x-y+5=0 such that |PA-PB| is maximum where A is(4,-2) and B is (2,-4) will be a)11,27 b)-11,-17 c)-11,17 d)0,5 Lucky 8 Years agoGrade 11
ArunApproved Tutor Answer8 Years agoDear student let the point P = (x, 2x+5) now Find PA and PB Now calculate PA – PBthen find maxima of PA – PB by differentiating you will get your answer RegardsArun (askIITians forum expert)