MathCastle
Groups and FieldsHardPolynomials over a Field

Polynomials over a Field · Hard problem

What is the constant term of Φ7(x+1)\Phi_7(x+1), where Φ7(x)=x6+x5+⋯+x+1\Phi_7(x)=x^6+x^5+\cdots+x+1?