what are the three techniques to show that a force is conservative.

f = (1/3y^2z^3- 2xz^2)i + (2/3xyz^3)j + zy^2z^2 - 2x^2z)k

need an answer today

1)  ask the force how it feels about environmental issues

2)  ask the force if it watches Fox News Channel

3)  give the force a big wet kiss and see if it recoils

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