In the given pressure ($ P $) - absolute temperature ($ T $) graph of an ideal gas, the relation between volumes $ V_1, V_2, V_3, $ and $ V_4 $ is:
If $ \frac{k}{kx + 3} + \frac{3}{3x-k}= \frac{12x + 5}{(kx + 3)(3x - k)} $, then both the roots of the equation $ kx^2 - 7x + 3 = 0 $ are: