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TS EAMCET 20-July-2022 Shift 1 Solved Paper

Section: Mathematics
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Question : 49 of 160
 
Marks: +1, -0
The line x+2y=k meets the curve 2x2−2xy+3y2+2x−y−1=0 at two points A and B. Let O be the origin. If the line segments OA and OB are perpendicular to each other, then k=
Validate
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