English: $g^{'}(x) = 1 - \frac{\left( f^{'}(x) \right)^{2} - f(x)f^{''}(x)}{\left( f^{'}(x) \right)^{2}}$.
Telugu: $g^{'}(x) = 1 - \frac{\లెఫ్ట్(f^{'}(x) \కుడి)^{2} - f(x)f^{''}(x)}{\లెఫ్ట్(f^{'}(x) \కుడి)^{2}}$.