Mathematics
Senior High
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恒等式でどうして(x+y)a²+(x-y)b=5x+yが(a²+b)x+(a²-b)y=5x+yになるのかわかりません
(2) (x + y ) A³²+ ( x − y ) b = 5x + y
(a+b)x+ (α²³²-b) y = 5x +4
2² + b = 5 α² = b = 1
a
a=3、b=2a=±3、b=2
A₁ α = ± √ 3₁ b = 2
a
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