Question

if q1+q2=q then the force b/w q1and q2 is maximum when q/q1is​

Answer 1

2is the correct answer force will be maximum when q1=q2 this is the result of maxima(differentiation of F=kx×q-x/r2

here result is x=q/2

so q1=q2=X=q/2

=q/q1=2