ext i
case neg
R : Type u_1
inst✝ : CommRing R
p : R[X]
r : R
hp : ¬p.natDegree = 0
⊢ derivative (p.scaleRoots r) = r ^ (p.natDegree - ((derivative p).natDegree + 1)) • (derivative p).scaleRoots r
case neg.a
R : Type u_1
inst✝ : CommRing R
p : R[X]
r : R
hp : ¬p.natDegree = 0
i : ℕ
⊢ (derivative (p.scaleRoots r)).coeff i =
    (r ^ (p.natDegree - ((derivative p).natDegree + 1)) • (derivative p).scaleRoots r).coeff i