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AP and TS EAMCET Engineering Model Paper 12

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Question : 34 of 160
 
Marks: +1, -0
The line x+y=k meets the pair of straight lines x2+y2−2x−4y+2=0 in two points A and B. If O is the origin and ∠AOB = 90° then the value of k>1 is
Validate
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