13. Find the tangent of the curve x³-x²y²+y³=5 at point  (1, 2). 
(A)5x + 24y − 53 =0
(B)5x − 24y + 43 =0
(C)5x − 8y +11 =0
(D)5x + 8y − 21 =0
(E)5x-12y+19=0

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