Mathematics
Junior High
Solved
(11)と(13)の解き方を教えてください
二座標軸で書いたもので
5
(11)(z-2)=(-2Xz+2)-3(z-2)
A
B
よっ?
(12)
(2z+3Xz+6)
z2+13z+4
=1
3
2
ス=2-。
A
-9.6
Tなる.
(13) V2z2-V6z-18、/2=
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