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(Solved):
Find the differential df. f(x,y,z)=3xy+2xz+2yz a) df=(3x+2z)x+(3y+2z)y+(2x+2y)z b) df=(3y ...
Find the differential df. f(x,y,z)=3xy+2xz+2yz a) df=(3x+2z)?x+(3y+2z)?y+(2x+2y)?z b) ?df=(3y+2z)?x+(3y+2z)?y+(?3x?2z)?z c) ?df=(3x+2z)?x+(?3y?2z)?y+(3y+2z)?z d) ? df =(3y+2z)?x+(?3x?2z)?y+(3x+2z)?z e) ? df =(3y+2z)?x+(3x+2z)?y+(2x+2y)?z f) None of these.