Hence, R 0 = D = F − F 2 2 C 1 ¯ − R 0 2 2 C 1 ¯ + F R 0 C 1 ¯ 𝑅0=𝐷=𝐹−𝐹22𝐶1 −𝑅202𝐶1 +𝐹𝑅0𝐶1 . Solving for R 0 𝑅0 we find: R 0 = F − C 1 ¯ ± C 1 ¯ 𝑅0=𝐹−𝐶1 ±𝐶1 The smallest...