Find the stationary point of on the plane and the value of F at that point. • The stationary point is at (x, y, z) = sin (a) . At the stationary point, F(x, y, z) = ab sin (a) f ?х f dx 8 8 F(x, y, z) = 2².3.23 R 2x - 5y4z = 8, 52 a Ω E HII 团 A

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