Two cars start in a race with velocities `u_(1)` and `u_(2)` and travel in a straight line with acceleration 'a' and b .If both reach the finish line at the same time,the range of the race is

Options

A. `(2(u_(1)-u_(2)))/((beta-alpha)^(2)) (u_(1)beta-u_(2)beta)`
B. `(2(u_(1)-u_(2)))/(beta+alpha) (u_(1) alpha -u_(2)beta)`
C. `(2(u_(1)-u_(2))^(2))/(beta-alpha)^(2)`
D. `(2u_(1) u_(2))/(beta alpha)`

Answer

A