0 votes 0 votes Let $r=x^{2}+y-z$ and $z^{3}-xy+yz+y^{3}=1.$ Assume that $x$ and $y$ are independent variables. At $\left( x,y,z \right)=\left ( 2,-1,1 \right ),$ the value (correct to two decimal places) of $\dfrac{\partial r}{\partial x}$ is _________ . Calculus gate2018-ec numerical-answers calculus partial-derivatives + – gatecse asked Feb 19, 2018 recategorized Mar 2, 2021 by Lakshman Bhaiya gatecse 1.6k points 108 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.