TS EAMCET 5-Aug-2021 Shift 1 Question Paper

Section: Mathematics

Question : 55 of 160

Marks: +1, -0

If the circle x2+y2+2kx+4y−4 = 0 has it's centre in 4th quadrant and touches the circle x2+y2+6x−2y+6=0, then k =

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