Q.

Let the curve C be the mirror image of the parabola y2=4x  with respect to the line x+y+4=0  . If vertex of  C is (h, k) then |h+k|= 

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answer is 8.

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Detailed Solution

y2=4x  has vertex (0,0) 
its image w.r.t  x+y+4=0  is (-4, -4)              So  |h+k|=8
 

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Let the curve C be the mirror image of the parabola y2=4x  with respect to the line x+y+4=0  . If vertex of  C is (h, k) then |h+k|=