video1.0<iframe src="https://www.loom.com/embed/e9a1f07f7bbb414e89d6cdd527c2a5ee" frameborder="0" width="1920" height="1440" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>14401920Loomhttps://www.loom.com14401920https://cdn.loom.com/sessions/thumbnails/e9a1f07f7bbb414e89d6cdd527c2a5ee-bb4d691952699522.gif1947.313In this video, I walk through a series of binomial expansions, starting with a year-twelve pure expansion and moving through various examples. I detail how to find coefficients, specifically noting that the coefficient of x cubed is three times that of x, leading to the conclusion that k equals plus or minus a half. I also explore the first three terms of another expansion and how to estimate values by substituting specific x values. Additionally, I emphasize the importance of careful calculations and provide insights into finding constant terms in expansions. Please review the calculations and ensure you understand the steps taken, as they are crucial for mastering these concepts.