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Let y=4xx2y = 4 x - x ^ { 2 }

Question 62

Multiple Choice

Let y=4xx2y = 4 x - x ^ { 2 } . Then the curvature K at (1, 3) is


A) 417\frac { 4 } { \sqrt { 17 } }
B) 211\frac { \sqrt { 2 } } { 11 }
C) 255\frac { 2 } { 5 \sqrt { 5 } }
D) 41717\frac { 4 } { 17 \sqrt { 17 } }
E) 12\frac { 1 } { 2 }

Correct Answer:

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