Coefficient in Expansion

Algebra Level 3

What is the coefficient of x33x^{33} in the expansion [(1+x)(1+3x3)(1+9x9)(1+27x27)]2 [ (1+x)(1+3x^3)(1+9x^9)(1+27x^{27})] ^2 ?

×

Problem Loading...

Note Loading...

Set Loading...