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2 y 3 - Amolasmates

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RECORDAR:<br />

También es importante saber que:<br />

POTENCIAS EJERCICIOS<br />

(Añade estas fórmulas al formulario que realizarás a lo largo del curso)<br />

1. Calcular las siguientes potencias de exponente natural (sin usar calculadora):<br />

5<br />

( −2)<br />

=<br />

3<br />

(-2)<br />

=<br />

4569<br />

1<br />

=<br />

21<br />

(-1)<br />

3<br />

- 2<br />

10<br />

(-1)<br />

=<br />

=<br />

=<br />

0<br />

13<br />

2<br />

9<br />

523<br />

(-1)<br />

=<br />

=<br />

=<br />

2<br />

(-2)<br />

2<br />

(-9)<br />

0<br />

1<br />

=<br />

=<br />

=<br />

21<br />

1<br />

3<br />

9<br />

0<br />

235<br />

=<br />

=<br />

=<br />

4<br />

(-3)<br />

3<br />

(-9)<br />

0<br />

(-1)<br />

=<br />

=<br />

=<br />

- 3<br />

9<br />

1<br />

4<br />

=<br />

0<br />

(0,75)<br />

2. Calcular las siguientes potencias de exponente entero (sin usar calculadora), dejando el resultado en<br />

forma entera o fraccionaria:<br />

−1<br />

2 =<br />

-4<br />

1<br />

=<br />

a<br />

m<br />

a<br />

a<br />

m<br />

n<br />

m ( a )<br />

⎛ a ⎞<br />

⎜ ⎟<br />

⎝ b ⎠<br />

⋅ a<br />

n<br />

n<br />

(a ⋅b)<br />

n<br />

= a<br />

n<br />

-2<br />

2<br />

-7<br />

1<br />

= a<br />

m−n<br />

= a<br />

a<br />

=<br />

b<br />

=<br />

=<br />

m⋅n<br />

= a<br />

n<br />

n<br />

m+<br />

n<br />

n<br />

⋅b<br />

n<br />

-3<br />

2<br />

-10<br />

1<br />

=<br />

=<br />

a<br />

a<br />

0<br />

- n<br />

⎛ a ⎞<br />

⎜ ⎟<br />

⎝ b ⎠<br />

= 1<br />

1<br />

= n<br />

a<br />

- n<br />

-1<br />

3<br />

=<br />

-4<br />

(-1)<br />

⎛ b ⎞<br />

= ⎜ ⎟<br />

⎝ a ⎠<br />

algo<br />

1 = 1<br />

( base negativa)<br />

par ( - 1)<br />

= 1<br />

( base negativa)<br />

impar ( - 1)<br />

= −1<br />

=<br />

n<br />

-2<br />

3<br />

-7<br />

(-1)<br />

=<br />

=<br />

par<br />

impar<br />

= +<br />

= −<br />

=<br />

-3<br />

3<br />

=<br />

=<br />

-10<br />

(-1)<br />

=<br />

10

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