JEE Main 201912 Jan, Morning shiftMathematicsMediumCoordinate Geometry478× since 2002
If a variable line, 3x + 4y – = 0 is such that the two circles x² + y² – 2x – 2y + 1 = 0 and x² + y² – 18x – 2y + 78 = 0 are on its opposite sides, then the set of all values of is the interval :