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QUESTION 9 (a) |A triangular lamina with vertices (0, 0), (4, 2) and (6, 2) has the density function 5(1, 1;) = u. i} Sketch

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QUESTION 9 (a) |A triangular lamina with vertices (0, 0), (4, 2) and (6, 2) has the density function 5(1, 1;) = u. i} Sketch the lamina. [1 Marks] ii) Find the mass of the lamina. [7 Marks] ('3) Find the surface area of the portion of the paraboloid Z = 2 12 yz above the 3;];- plane. [9 Marks]

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