Find the Slope of the Curve $x ^ { 4 } - 2 x y ^ { 2 } + y ^ { 5 } = 13$

Multiple Choice

Find the slope of the curve $x ^ { 4 } - 2 x y ^ { 2 } + y ^ { 5 } = 13$ at the point (2, 1) .

A) 10
B) 13
C) 16
D) 19