Mathematics
Senior High
はじめてこの問題を解くのですが、(2)と(3)の途中式を詳しく教えてほしいです!
(2abx?-(α+6)x+ab
(3) abx?-(α'b°+1)x+ab
(2) abx"-(a°+6")x+ab=abx"+(-α°-6°)x+ab
=(ax-b)(bx-a)
a
X
6
ーaー6
( 6
(3) abx°-(a'b+1)x+ab=abr"+(-α'6°ー1)x+ab
=(x-ab)(abr-1) (
ーa'6°
1
-ab→-α'bが
x
ab
-1
ーa'6°-1
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