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The Curvature K Of x2+y2=25x ^ { 2 } + y ^ { 2 } = 25

Question 31

Multiple Choice

The curvature K of x2+y2=25x ^ { 2 } + y ^ { 2 } = 25 at (-3, -4) is


A) 2255\frac { 2 } { 25 \sqrt { 5 } }
B) 122\frac { 1 } { 2 \sqrt { 2 } }
C) 255\frac { 2 } { 5 \sqrt { 5 } }
D) 21717\frac { 2 } { 17 \sqrt { 17 } }
E) 15\frac { 1 } { 5 }

Correct Answer:

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