1.

The range of parameter a for which the variable line y=2x+a lies between the circles x2+y2−2x−2y+1=0 and x2+y2−16x−2y+61=0 without intersecting or touching either circle is

Answer»

The range of parameter a for which the variable line y=2x+a lies between the circles x2+y22x2y+1=0 and x2+y216x2y+61=0 without intersecting or touching either circle is



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