Exercise 2: Find the limit if it exists, or show that the limit does not exist...
Find the limit, if it exists, or show that the limit does not exist. 1. lim (x²y3 – 4y?) (2,y)+(3,2) 2. lim 24 - 4y2 (x,y)+(0,0) x2 + 2y2 3. Find the first partial derivatives of the function of f(x,y) = x4 + 5.cy 4. Find all the second partial derivatives of f(x,y) = x+y + 2.x2y3 5. Find the indicated partial derivatives. f(1, y) = x^y2 – røy ; farzz, fryz
5. (7 marks) Evaluate the limit, if it exists, or show that the limit does not exist. 51 + y 2.cy (a) lim (1,3)+(0,0) 5x + y + 9-3 (b), lim (x,y)+(0,0) x2 + y2
(4) Evaluate each of the following limits or show that the limit does not exist: (a lim 2014 – 2y4 (3,4) (0,0) 22 - y2 lim 1 + 2y (x,y) (0,0) = -2y (b)
1. Find lim(x,y)=(1,1) x2-y2 2xy 2. Show that lim(x,y)-(0,0) 21 z does not exist 3. Show that lim(x,y)=(0,0) z?”, does not exist 4. Find lim(x,y)=(0,0) eye if it exists, or show that the limit does not exist
please answer both of them and show all the steps , (b) Find or show the limit does not exist:linm (x, y) → (0,0) x2 + y2 8, (b) Show that the following limit does not exist 2 lim (x, y) → (0,0) x2 + y2 , (b) Find or show the limit does not exist:linm (x, y) → (0,0) x2 + y2 8, (b) Show that the following limit does not exist 2 lim (x, y) → (0,0) x2...
1. Determine if the following limits exist. In each case prove and explain your argument. (c) lim x +y + y sin x siny *(0,0) XY lim x-(0,0) x4 + y2 lim x+(0,0) x2y2 + (x + y2)2
1. Determine if the following limits exist. In each case prove and explain your argument. (a) lim x+y + xy sin x siny x²y lim *+(0,0) x4 + y2 x(0,0) xy
2.c) 2. Show that each of the following limits does not exist : (a) lim 1 + 2y (b) lim (2 + y) (x,y)--(0,0) -y (2.) +0,0) r? + y2 (d) 6ry lim (x,y)+(0,0) 24 + y (c) lim (x,y)0,0) - 2 + y
M ULIJJJ040_1Wurses/5_202020_22458_MATH_01230/test2%2011 6. (10 pts.) Evaluate the limit if it exists or show the limit does not exist: (a) lim(=,y)=(2,1) 7°+27° In(4 - ry) (b) lim(.)=(0,0) 7. (12 pts.) If : = 2 cos r + ex-3y, (a) find is, zy, že tay, and zwy (or if you prefer to and ). (b) Evaluate all these derivatives at the origin.
1. (18 points) Determine if the following limits exist. In each case prove and explain your argument. (a) (0) lim ху 4xy? 2+(1,5) x+y lim **(0,0) x2 + y2 (b) x²y² lim *-*(0,0) *4 + 3y 2 (14 neinte) Find the derivative hole