9231 P1 - Jun 2009 - Q6 - 7 marks
6571
A curve has equation
\((x+y)\left(x^{2}+y^{2}\right)=1 .\)
Find the values of \(\frac{\mathrm{d} y}{\mathrm{~d} x}\) and \(\frac{\mathrm{d}^{2} y}{\mathrm{~d} x^{2}}\) at the point \((0,1)\).
Solutions locked. Please sign in with access to view them.