3x + 4y + 5z = 60 [2 marks] C) A certain plane is described by 3x + 4x + 5y = 60. 27 y = Find the area of the triangle f

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3x 4y 5z 60 2 Marks C A Certain Plane Is Described By 3x 4x 5y 60 27 Y Find The Area Of The Triangle F 1 (69.03 KiB) Viewed 33 times

3x + 4y + 5z = 60 [2 marks] C) A certain plane is described by 3x + 4x + 5y = 60. 27 y = Find the area of the triangle from which the unit vector normal to the surface emanates in the direction away from the normal [8 marks] d) Given the vector à = zyx + 2x2zý + 3yxż passes through point (2,1,7). Find the directional derivation of V = x3 + y2z at the [10 marks] same point e) Given a point P, = (3,-4,3) and vector Ā = xyz + x²zy + yxz defined in Cartesian coordinates, express P, and à in cylindrical coordinates and evaluate A [7 marks] (You may use Table 2-2 attached) 10.at