Question

If q1 + q2 = q, then the force b/w q1 and q2 is maximum when q/q1 is

Answer 1

force is maximum between them when

d[(q1)(q2)]/dq1= 0 {maxima}

d[(q1)(q-q1)]/dq1=0

$\binom{d(q \times q1 - {q1}^{2})}{dq1} = 0$

$q - 2q1 = 0$

$q = 2q1$

$\binom{q}{q1} = 2$