Use the Binomial Theorem to expand each binomial

[From: ] [author: ] [Date: 12-05-02] [Hit: ]

2.3.4. (x+3y)^3-{1} x^2+2xy+y^2 . {2} a^3+3a^2b+3ab^2+b^3. {3} 4x^2+4xy+y^2 .......

Use the Binomial Theorem to expand each binomial?
1. (x+y)^2

2. (a+b)^3

3. (2x+y)^2

4. (x+3y)^3

{1} x^2+2xy+y^2 . {2} a^3+3a^2b+3ab^2+b^3 . {3} 4x^2+4xy+y^2 . {4} x^3+9x^2y+27xy^2+27y^3

keywords: binomial,Binomial,expand,to,Use,Theorem,each,the,Use the Binomial Theorem to expand each binomial