Index properties

 

The Zero Index:

Any variable or product of variables raised to the power of 0 is equal to 1.

a0 = 1      (a ≠ 0)

(0º is undefined)

 

Negative Indices:

A variable raised to a negative power is equal to 1 divided by the same variable raised to the positive power.

a‾m = 1/am      (a ≠ 0)

 

 

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