9. Let f(x,y) = x²y² for (x, y) = 0 and f(0,0) = 0. Find the limit lim(x,y)-(0,0)/(x, y) or x4 + 2y4 show that it does n
Posted: Tue Jun 07, 2022 6:02 am
9. Let f(x,y) = x²y² for (x, y) = 0 and f(0,0) = 0. Find the limit lim(x,y)-(0,0)/(x, y) or x4 + 2y4 show that it does not exist. Do fr(0,0) and f(0,0) exist? Justify your answer? Use the definitions of the derivatives.