AQA A Level Maths: Pure复习笔记2.1.3 Surds - Rationalising the Denominator
Surds - Rationalising the Denominator
What does it mean to rationalise a denominator?
- Rationalising a denominator changes a fraction with surds in its denominator, into an equivalent fraction where the denominator is a rational number (usually an integer) and any surds are in the numerator
- There are three cases you need to know how to deal with when rationalising denominators:
Exam Tip
- If an exam question asks you to give an answer, for example, "in the form p + q√3 , where p and q are rational numbers", this does NOT mean that p and q have to be integers, or positive!
- Remember: both integers and fractions (both positive and negative) are rational numbers
Worked Example
转载自savemyexams
以上就是关于【AQA A Level Maths: Pure复习笔记2.1.3 Surds - Rationalising the Denominator】的解答，如需了解学校/赛事/课程动态，可至翰林教育官网获取更多信息。
往期文章阅读推荐：
MIT官方发布【2026年夏季推荐阅读书单】！横跨科学/人文/经济...
翰林AMC8视频课重磅上线！
国际竞赛真题资源免费领取
