JEE Main 202126 Feb, Evening shiftMathematicsMediumCoordinate Geometry478× since 2002
Let L be a common tangent line to the curves
4x² + 9y² = 36 and (2x)² + (2y)² = 31. Then the
square of the slope of the line L is __________.
JEE Main 2021 · 26 Feb, Evening shift · Q38