Let P = ∑ i = 0 d a i x i {\displaystyle {}P=\sum _{i=0}^{d}a_{i}x^{i}} and Q = ∑ i = 0 e b i x i {\displaystyle {}Q=\sum _{i=0}^{e}b_{i}x^{i}} be polynomials with a d , b e ≠ 0 {\displaystyle {}a_{d},b_{e}\neq 0} . Determine, depending on d {\displaystyle {}d} and e {\displaystyle {}e} , whether