Mathematics
Senior High
（3）（4）解説お願いします。
a+b= -> ab
2次方程式 x2-3x+5=0の2つの解をα β とするとき,次の式の値を求めよ。
(1) 2 +2
(2) a³ + 83
(3) (1+α)(1+β)
(4)(a-β)2
[12]
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