# 15.4 無窮級數

{% embed url="<https://www.geogebra.org/m/j6QR8z3j>" %}
<https://www.geogebra.org/m/j6QR8z3j>
{% endembed %}

{% embed url="<https://www.geogebra.org/m/ec8utxsm>" %}
例1 <https://www.geogebra.org/m/ec8utxsm>
{% endembed %}

{% embed url="<https://www.geogebra.org/m/RMCa8Fej>" %}
例1  <https://www.geogebra.org/m/RMCa8Fej>
{% endembed %}

{% embed url="<https://www.geogebra.org/m/y3UycAtX>" %}
例2  <https://www.geogebra.org/m/y3UycAtX>
{% endembed %}
