Find the Point on the Curve Given Below at Which $$y = 10 x ^ { 3 } + 31 x ^ { 2 } + 5 x$$

question 58

Multiple Choice

Find the point on the curve given below at which the curvature K is zero. $$y = 10 x ^ { 3 } + 31 x ^ { 2 } + 5 x$$

• A) \(x = \frac { 30 } { 31 }\)
• B) \(x = \frac { 31 } { 30 }\)
• C)\(x = - \frac { 31 } { 30 }\)
• D)\(x = - \frac { 30 } { 31 }\)
• E)\(x = - \frac { 31 } { 10 }\)