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                                    The lines joining the points of intersection of line x + y = 1 and curve x2+y2−2y+λ=0 to the origin are perpendicular, then the value of λ will be | 
                            
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Answer»  The lines joining the points of intersection of line x + y = 1 and curve x2+y2−2y+λ=0 to the origin are perpendicular, then the value of λ will be  | 
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