Calculate the following. (a) About p= (1,0,0), V= (1,0,1), Find the directional differential Vp[f] of ficiyiz)...

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Calculate the following. (a) About p= (1,0,0), V= (1,0,1), Find the directional differential Vp[f] of ficiyiz) = xyết sinh đ + (b) Find ₂W. V = x U₁ + YU₂ − ZU3, W= (y+z) U₁ + (x+Z) U₂-(X+Y) V3. - (c) X the coordinate piece of curved surface M. When quadratic form 1 is 3 (5xu-Xv₁ Xu-2Xv) = 1, find 3) (Xu₁ Xv). (d) The first order form of 1R³ is ø=fdx+gdy+hdz, y = f²dx+g²dy+h²dz. Find Øndy, dony respectively. Calculate the following. (a) About p= (1,0,0), V= (1,0,1), Find the directional differential Vp[f] of ficiyiz) = xyết sinh đ + (b) Find ₂W. V = x U₁ + YU₂ − ZU3, W= (y+z) U₁ + (x+Z) U₂-(X+Y) V3. - (c) X the coordinate piece of curved surface M. When quadratic form 1 is 3 (5xu-Xv₁ Xu-2Xv) = 1, find 3) (Xu₁ Xv). (d) The first order form of 1R³ is ø=fdx+gdy+hdz, y = f²dx+g²dy+h²dz. Find Øndy, dony respectively.