6.6 合成関数の偏微分法

1.

(a) $ \displaystyle{8t + 6t^{2}}$ (b) $ \displaystyle{0}$ (c) $ \displaystyle{\cos{2t} + \sin{2t}}$ (d) $ \displaystyle{12t^{11}}$

2.

(a) $ \displaystyle{z_{u} = 10u, z_{v} = 10v}$

(b) $ \displaystyle{z_{u} = 2u + 2v + 2uv + v^{2} + 4uv^{2}, z_{v} = 2u + 2v + 2uv + u^{2} + 4u^{2}v}$ 

(c) $ \displaystyle{z_{u} = 2uv^{6}, z_{v} = 6u^{2}v^{5}}$