3. Let r⃗ denote a position vector r⃗ = xiêi, r^2 = xixi, and let A⃗ be an arbitrary constant ve

Question

Margaret Keymakh · Answer

So here we have to find D .P. DR, so the derivative with respect to little R. And we&#x27;re told tha

Sam Stansfield · Answer

Okay, so we&#x27;re defining the radial unit, the radial vector, position vector, and its magnitude,

John Nicolle · Answer

So question number 56th we are asked if x is equal to 2y square minus 3x plus 3y plus x and we a

Sri K · Answer

So from here, let A, U .V, B and a symmetrical tensor and SPO be symmetrical tensor. And then we

Madhur L · Answer

High from the question given that suppose partial derivative exist and continuous. So here we ne

3. Let \(\vec{r}\) denote a position vector \(\vec{r} = x_i\hat{e}_i\), \(r^2 = x_ix_i\), and let \(\vec{A}\) be an arbitrary constant vector. Show that: 1. \(\nabla(\vec{r}.\vec{A}) = \vec{A}\) 2. \(\nabla.(r\vec{A}) = \frac{1}{r}(\vec{r}.\vec{A})\)