Basic Mathematics - Old Questions

Question Answer Details

1.(a) Define gradient of a vector function f(x, y, z) and find the derivative of

 f(x, y, z) = x³ - xy² - z at point Pā‚€(1,1,0) in the direction of š‘‰āƒ— = 2š‘–āƒ— - š‘—āƒ— + 6š‘˜āƒ—. [5]


(b) Define Volume of a solid and find the volume of the solid generated by revolving the region bounded by y = √x and the lines y = 1, x = 4 about the line y = 1. [5]

10 marks
Asked in 2080

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