Question

Lulu

請問「第五題怎麼解？

N-
Why on
[ (X7
IBN
設A為實數,ce gaa + 8.247a+3a=0怡有二實根,則:
x H = 1 BON
(A) a > 0 (Ba>-1 (C) a < 5 (D – 1 <a< 5 (E) - 3 sa<0.
<a <a
[26a+)40 at3a) 20 答:(B)(C) (D)(E)【南一中、雄中)
4 (9a that) - 282-12020 Satpa+420 2a 13at12o
1-21

Answer 1

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