81 Tun m té? x² - 2(m-1)x - 3 = 0 o' zre hiểun tm:
(24-な
+ Y - 2(m-1) X2
18
%31
5, Tim m dé? - 2x+ 3m-5=0 Có2zughiłun hm.
こA8
Tim m dé'
ai zughiim phän hữt thm: 27¢+27-314-37%=34
X- 2(m+1)x + m+ 6m+ 3=0
4, Tim m dé p
と-5X+ m+Z=0
Xy iķ Dao cho (47+ 5x2 - 4 = -5 .
5, Tim m té' Pñ
- 2(m-1 ...
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