charlesmb6502 charlesmb6502 01-06-2023 Mathematics contestada Find ∂/∂x 5e^5xy = f(x, y) = √2x² + 5y² fx(-4,0) = _____ Given f(x, y, z)=√-4x - 6y - z, find fx(x, y, z) = fy(x, y, z) = fz(x, y, z) =