Mathematics

Problem

At the point

(1,2)

on the curve

x^{2}y+y^{3}=10

, what is the equation of the normal line? a)

y=-\dfrac{4}{13}x+\dfrac{30}{13}

y=\dfrac{13}{4}x-\dfrac{5}{4}

y=-\dfrac{13}{4}x+\dfrac{21}{4}

y=\dfrac{7}{4}x+\dfrac{1}{4}