Mathematics
Senior High
Solved
この因数分解どうやりますか？
=
2
3
2
よって
70
+1-
3
+1-
13
3
28
3
=
-81
21
式を整理して 27t3-81t+26
(3t-1)(9t2+3t-26) 0
すなわち
よって=1/23
t=
0 <t<1であるから
1
3'
-11/10513
t = 1/
t=
13
6
40円
に
&
Answers
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