Factorize a^3-b^3 (O Level Math Tuition Question) So, AdvertisementShare this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketEmailPrintLike this:Like Loading... Related Author: mathtuition88 Math and Education Blog View all posts by mathtuition88
5 thoughts on “Factorize a^3-b^3 (O Level Math Tuition Question)”
How do we get (a-b)^3=a^3-3a^2b+3ab^2-b^3 if it is not (a-b)(a-b)(a-b)
Hi, yes, you are right, is .
Continue to expand, you will get .
Hope it helps!
There is one challenging USA Math Olympiad 1997 (USA) question using this technique, see
my blog at:
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