\(\therefore \,\frac{{k\,(8q)}}{{{{(L + x)}^2}}} = \frac{{k(2q)}}{{{x^2}}}\,\,\,\,\,\therefore \,\frac{4}{{{{(L + x)}^2}}} = \frac{1}{{{x^2}}}\,\,\,\)
\(\therefore \,\frac{2}{{L + x}} = \frac{1}{x}\,\,\,\therefore \,2x\, = \,L + x\,\,\,\therefore \,L = x\,\,\)
\(x = 0\) થી \(A\) બિંદુનું અંતર \(= L + L = 2L\)