THE EQUATION OF THE PARABOLA WHOSE FOCUS IS THE ORIGIN AND THE TANGENT AT THE VERTEX ISX-Y+1=0 IS
Kailas Daud , 7 Years ago
Grade 12th pass
Analytical Geometry> THE EQUATION OF THE PARABOLA WHOSE FOCUS ...
1 AnswersKailas Daud
Last Activity: 7 Years ago
x+y=0;x=-y /x-y+1=0 then 2x=-1,x=-1/2 or y=1/2 A=(-1/2,1/2) then z=(-1,1) SO,x-y+k=0 -1-1+k=0 k=+2 (PM)2=(PN)2
X2+Y2+2XY-4X+4Y+4=0
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