What is the solution to (1+x+x^2+x^3)^2 from Gelfand's Algebra?

[sunny79]

Homework Statement

Compute

Relevant Equations

(1+x+x^2+x^3)^2

This is a problem from Gelfand's Algebra. Needed to verify my solution.

My solution to the problem above was the following.

1+2x+3x^2+4x^3+3x^4+2x^5+x^6

Thanks.

 

[ehild]

Homework Statement: Compute
Homework Equations: (1+x+x^2+X^3)^2

This is a problem from Gelfand's Algebra. Needed to verify my solution.

My solution to the problem above was the following.

1+2x+3x^2+4x^3+3x^4+2x^5+x^6

Thanks.

It is correct.

 

[sunny79]

Thanks a lot. :)