51. Suppose x 2 + 2 is a factor of What is the value of α + β ? (A) 5 (B) 6 (C) 7 (D) 8
(x2+2)(x2+2x+1)=x4+2x3+3x2+4x+2
α =3、β=4α + β=7
factor是因式,所以要整除後面的式子,利用長除法即可求解
51. Suppose x 2 + 2 is a factor ofWhat i..-阿摩線上測驗