JEE Main 20205 Sep, Morning shiftMathematicsEasyCoordinate Geometry478× since 2002If the common tangent to the parabolas, y² = 4x and x² = 4y also touches the circle, x² + y² = c², then c is equal to :AOption A. 12{1 \over {\sqrt 2 }}21BOption B. 122{1 \over {2\sqrt 2 }}221COption C. 12{1 \over 2}21DOption D. 14{1 \over 4}41CheckSkip · show solution