# B y4x33x 8 fx 43x 84x3324x 23dy 24x 23 dxc y 9x 4

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b)Y=(4x+3)(3x-8)
Find the total differential dz for each of the following functionsGiven Z = f(x,y)dz = Zxdx+Zydy
c)Z = 3x^2 (8x-7y)Zx=6x(8x-7y) +3x^2(8)=72x^2-42xy
d)Z = (x-3y)^3
Find the partial differential for a small change in x for each of the functions assuming dy = 0dz =Zxdx when dy=0
d)Dz = 3(x-3y)^2 dxEx 5Find the total derivative dz/dx for each of the following functionsdz/dx=Zx + Zy dy/dx when y = y(x)