この問題の解説をお願いします。。
✨ Best Answer ✨
あとは約分して
Users viewing this question are also looking at these questions 😉
![[証明]の文の4段目にあるM二乗一N二乗のところが全く分かりません。
二段目のMとNを表し... - 1](https://d1e9oo257tadp1.cloudfront.net/uploads/qa_question_image/file/1340868/thumb_l_webp_4D18034C-4BC2-45FA-83AF-272A3F21AF98.webp?Expires=1783764045&Signature=YYqAZ4ASl4VbJH~6G3EeX8JIm32Vric-SzIAO1BmST1didfOnmEBU~FIX0AZYBUGt6DrRcb3Kuqs2nWC3GS6Wf94DP9z~YUeTZkNbNZcvPJ6ElpxSoHThY4GJHnH-3YftRlwXS8Ak4HJHYMPeOgA63cqmSAMHdM~PpdXci5eCAUiXn7RLmvBS4cWQB8yresSdGu~ImhqqXiqi8c5PQZ2cAuyI1nXIhMW4Pn7RTH0Djr9unLvCiveHqBJ0dWMofavpQM0kafoxBjfInbPtwJdaNubOEk8qZ5JPCA2tjDa9wZ5jJdQpaanGSG~7OlLdPh5m~Oz7UAvqgYIRsNe31nRwA__&Key-Pair-Id=K2W722D70GJS8W&Expires=1783764045&Signature=S-AHFd~irz0jD6QmVfkwWorEfKp3OYgl-FfYRYxbfyg9dTFSDVNbUG1ruiUt2nM7qL6TvZYdn7d-IQCCLv4lIaEW11IqqP9J8SRKk2uTirm1z~8WThTRsOb217phr5wcHqna8bJ8LschL74M39UgxI77-zpwDufCD-uuAW1CPj7aBTbT5ZrRV0LdJPh7VrDgWgbHI9NnLTHiONggY2zY7Tb7aY2jZWTXbPMgpXpvSzNrUS8k3e1f8Pe3DXDNMHhIl8vdCUs1Uy6Ut~eTyJsADVKhjNosItC5XwCgB0Vr6-u~V~4rczZHkiqJaZc0qDpvLUFfQ6-oiBV2HoBCU1SOwg__&Key-Pair-Id=K2W722D70GJS8W)
