Most and least What are the greatest and leaetvaluee of ag] 2 my on me ellipse S : 432 233; + 3:2 : 12'? Select one: D a. % and %. o b. 1/5 and 1_ C} c. E and 2, C} d. 21/5 and 2.,f:, C) e. l} and , Just the most What is the maximum value of f(@, y, z) = ryz subject to the constraint a* + 2y- + 42 = 9? Select one: O a. O b. V3 Oc. 3 Od. 0 O e. 1:9/09Not all true Which of the following statements is not true in general? Select one: O a fo fo f(x, y) dyda = fe fe f(x, y) dx dy ob. fo fo f(x, y) dx dy = fe fa f(y, x) dy dx of dady = f(b, d) - f(a, c) Od. fff" f(x,y) dady = fe fa f(x, y) dx dy Oe. [ [of(x)gly) dady = (fo f(x) dx) ( fe gly) dyA curling shot Which of the following vector-valued functions can not be expressed as Vo for some ? Select one: O a. cost cos y tan z - sin x sin y tan z sin x cos y sec z O b. yz y O C. 3x y - 3yz - I re - 3xz + yz2 x - 3xy + yz O d. [1/ (x ty +z) 1/(xty+2) [1/ (xty+z). Oe. (y + ry' z )ery z (r + 2x y] z ) ery'z 1273 gry' zA slipped disc Let R be the circular disc in IR of radius a and centre (a, 0), and consider the formula for this disc in terms of polar coordinates. What is SR 1 dx dy? Select one: O a. The integral doesn't converge. O b. 2na O c. Ta2/2 Od. 0 O e. 4a2