Question: 3. U so the cofactor expansion to nd the determinant of the following matrix. 1 4 1 0 2 1 l} 1 1 3 3

3. U so the cofactor expansion to nd the determinant of

3. U so the cofactor expansion to nd the determinant of the following matrix. 1 4 1 0 2 1 l} 1 1 3 3 1 9 l} 1 1 Given two vectors (2,1, (1.) and (1:3: 1]T for what valuc(s] of a. will give the parallelogram they form an area of 3V 10. Find all relative extrema, intervals of increasingT decreasing, concave upward and concave . . , 2 downward of the function f(;r) : c h

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