Do the derivatives del and d/dt commute?

[zheng89120]

Homework Statement

Do the derivatives del and d/dt commute?

Or in other words, is it true that: del(d/dt)X = (d/dt)del_X

Homework Equations

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The Attempt at a Solution

nm, I think I know how to show it now..

 

[SammyS]

Homework Statement

Do the derivatives del and d/dt commute?

Or in other words, is it true that: del(d/dt)X = (d/dt)del_X

Homework Equations

?

The Attempt at a Solution

?

After 132 posts, you should know the drill by now.

What have you tried?

Where are you stuck ?