✨ Best Answer ✨
利用平方差來分母有理化
第一項分子分母*(√3-1)
第二項分子分母*(√5-√3)
分母有理化後都是2，分子會抵消剩-1+√25=4
4/2=2
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
✨ Best Answer ✨
利用平方差來分母有理化
第一項分子分母*(√3-1)
第二項分子分母*(√5-√3)
分母有理化後都是2，分子會抵消剩-1+√25=4
4/2=2
Users viewing this question
are also looking at these questions 😉
好的謝謝！