JEE Mains 29-Jan-2023 Shift 1 Solved Paper

A point charge q1=4q0 is placed at origin. Another point charge q2=−q0 is placed at x=12‌cm. Charge of proton is q0. The proton is placed on x-axis so that the electrostatic force on the proton in zero. In this situation,the position of the proton from the origin is _______ cm.