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8.已知2x2+x-3=(2x+3)(x-1) ,則-(2x+3)、 、(2x+3)(x-1) ,皆為2x2+x-3的因式, 是否正確? (A) 是 (B) 否 。【題組】9.承第8題, 為x-
問題詳情
8.已知2x
2+x-3=(2x+3)(x-1) ,則-(2x+3)、
、(2x+3)(x-1) ,皆為2x
2+x-3的因式, 是否正確?
(A) 是
(B) 否 。
【題組】
9.承第8題,
為x-1的倍式,是否正確?
(A) 是
(B) 否 。
參考答案
答案:A
難度:
計算中
-1
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8.解:令 Q=2x2+x-3=(2x+3)(☆-1)★ ☆=(2...
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18. 張先生現年 40 歲,欲購買 100 萬保額,10 年繳費終身壽險,每年須繳納之保險費為 63,000 元,根據附表基數表計算,本保單之附加費用為【題組】19. 承上題,如採用 FPT 制提存
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第 16、17 題,請以下表作答【題組】16. = ____?(A) 0.1214(B) 0.1213(C) 0.1212(D) 0.1211
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