TS EAMCET 6-Aug-2021 Shift 1 Question Paper

Section: Mathematics
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Question : 52 of 160
 
Marks: +1, -0
If the two circles x2+y2−2x−6y+10−r2 = 0 and x2+y2−8x+2y+8 = 0 have a common chord of non-zero length, then
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