CHAPTER 4 GRADIENT, DIVERGENCE CURL AND Example 4.11  x,  Find where is a differentiable scalar function.     y, z  ˆj   kˆ  ˆj   kˆ     2 2   2 2 2 2 2 is c The operator  2 2  2 2 2 2  2 Example 4.12 r . Evaluate r  3    z 2 3 y 2 3 2 2 ˆ  ˆj 3 3  2 2 3 2     y z y z 2 2 2 2 2 2 3  6r 3 2   3 2 2  3 1 2 Example 4.13 r r
CHAPTER 4 GRADIENT, DIVERGENCE AND CURL Example 4.11 Find   where    x, y, z  is a differentiable scalar function.  ˆj   ˆj  kˆ   kˆ    2 2  2 2  2 2  2 The operator 2  2 2  2 2  2 2 is Example 4.12 Evaluate  r 3 r . 3  ˆj  ˆ 2  y 2  z 2 3 2  3 2 2  y 2  z 2 3 2 2  y 2  z 2 3 2 2 2 3 2 3  3    6r 3 1 2 Example 4.13 r r c