✨ Best Answer ✨ gößt over 8 yearsago 初項0.2, 公比0.9の無限等比級数なので収束して、その極限は 0.2/(1-0.9)=1 勉強嫌 over 8 yearsago ありがとうございます！ Post A Comment
![基本例題の[2]についてです。ここの条件ですが、
a/3<=1<=4a/3とありますが4a... - 1](https://d1e9oo257tadp1.cloudfront.net/uploads/qa_question_image/file/1810404/thumb_l_webp_70236300-B387-4A8D-A246-76C58E626EEE.webp?Expires=1787911721&Signature=MscdHfacdQtlRNno2sngf2N5LQJa9T1eHTRtbX7CfEqHgYYe-b9r8Zi02NKKt--hBvMrJFfQx1jwucDAc2MeWNE3QKVqNH-M2-9OAxLsMgMcbveNWtarFrH4xECsKPlx08gbuQSdkU6uvnmUeYSeARRzeuF6mw1OlTdvmOROe~~7hP29qHOtsEq6zfVId6PKAm1GKh4D321SV2Yj3Gl73vv5LfXFxJPz0Mk-9msjgSCqX7JL90bqGpkpdOsg9brVq2Rnp1HolbjbNU~J4xHsxvgXA6EvXn02W8FyuqRg1SK-3WMTKiaE9NwZyhrDN~gKpbhfTJbyBMHroKWFIZmhOQ__&Key-Pair-Id=K2W722D70GJS8W&Expires=1787911721&Signature=aF41UH2w9V9ieI5khqumwrEo1o1qkM22PP0KDRaHWh1pqOfsI15w0KtLW448Rqln6EvDWk~93mB6eEHSDvUauizCl9lj1Di~ZzoTLPEVxkaeFEYkqAQLww2F20jQwmL9gyVRyXrldyL8DBm-G9oLkkZEiAf6VciGdS5K0h75j9kgkk9RpgJsSiU6rFOapk54hhs~7lfH2VLaAUKhwOOX7cD9BunoTGrwp6g7fKVYxwyJyDfuFQzc9LTImVKZaT5tVTV7YKNz0mrIa5~gYeY0CdrbIA8EOm4c-IkxxOSw2VegPO5RPI-GD0A-IDngpteaYADCrHj0Tn8TPnPSRxLNGA__&Key-Pair-Id=K2W722D70GJS8W)
ありがとうございます！