Two ordinary questions from calculas3, I want an expert to send me the answer urgently, important and necessary

12ezz sin(x yz) Let f(x, y, z) 12 25f find ayaza'D at the point (3, 0, 0) 4 0 12 0 60 80 OO SHOT ON REDMI 7 AI DUAL CAMERAIf z3 + In(e37 - ey + ez) = 0 find az at the point (0, 0) -3 0 -20 3 0 2 0 OO SHOT ON REDMI 7 AI DUAL CAMERA