How do we know that surds are irrational? Math Foundations
Treena
fractional powers and rootsfractional powers explainedfractional powers indicesfractional powers mathsirrational numbersirrational numbers on number lineirrationality of root 2irrationality proofsnumber systemnumber system class 9number system mathproof by contradictionproof by contradiction discrete mathradicalsradicals mathrationalising factorsquare root of 2square root propertysquare rootssquare roots khan academysurds are irrational
#math #foundations #surds In this lesson, we explore how we can tell the difference between a rational number with a really large period, and a surd. We show conclusively that surds can not be written as rational numbers.
Feel free to visit us at https://treena.org for questions with every video, interactive explorations and to track your progress through all of our awesome content! :)
Subscribe for more lessons like these!
Chapters: 0:00 sqrt(2) is Irrational 4:36 Writing sqrt(2) as a Rational 11:48 We can't write sqrt(2) as a Rational 14:02 Summary 15:29 End Screen ... https://www.youtube.com/watch?v=Usym-A_PbwI
2020-11-03
0.0 LBC
Copyrighted (contact publisher)
43641107 Bytes