MCQ:

Question 1 Not yet answered Marked out of 5.00 Flag question If f (x, y, z) = 2yx -x3z2 - sin(z), then fz = ? Select one: O cos(z) + 2x3z O - cos(x) - 4x2z O sin(x) - 3x2z O None of them O - cos(z) - 2x3 zQuestion 2 Not yet answered Marked out of 5.00 Flag question If f(x, y) = (1 + 4xy)2, then fxy =? Select one: O 8+ 64xy O (9 + 64xy) 2 0 9+64xy 0 64xy O None of themQuestion 3 Not yet answered Marked out of 5.00 Flag question 2x2 + 12 For the limit lim if we (x, y)-(0,0) x2 + 3)2 approach along x-axis we will get: Select one: O O -2 None of them O C w/ - O 2Question 4 Not yet answered Marked out of 5.00 Flag question Which of the following function is continuous everywhere? Select one: O f ( x, y ) = In(x+y) O f ( x, y ) = Vxty None of them O f ( x, y ) = x2 - y' - xy O f ( x, y ) = 3