Question

RESOLVA ESSA DERIVADAS PARCIAIS .

Answer 1

1) f'x(x,y)= 4x; f'y(x,y)= -3
2) f'x(x,y)= 2x-y; fy(x,y)= -x+y
3) F(x)= x²y+2x²-y-2
         f'x(x,y)= 2xy+4x; f"y(x,y)= x²-1
4) f'x(x,y)= 5y-14x+3; f'y(x,y0= 5x-2y+6