14.2-bo'lim: Gradient vektor, tangens tekisliklar va normal chiziqlar

1. \(\left( {3, - 3,2} \right)\) da \({x^2}y = 4z{{\bf{e}}^{x + y}} - 35\) ga teguvchi tekislik va normal chiziqni toping. Yechim
2. \(\left( {4,2, - 1} \right)\) da \(\displaystyle \ln \left( {\frac{x}{{2y}}} \right) = {z^2}\left( {x - 2y} \right) + 3z + 3\) ga teguvchi tekislik va normal chiziqni toping. Yechim