- #1
erb12c
- 5
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Homework Statement
Given: |r|=√(x^2+y^2+z^2) r=xi+yj+zk
(i)Find the partial derivative with respect to x of |r|.
(ii) Find the Laplacian of |r|.
Homework Equations
The Attempt at a Solution
For (i) I got x/|r|
but then for (ii) I got 2/r which I don't think is correct