[中學] 請問兩題數學?
1. 絕對值(a-3) + 絕對值(a-b+2) = 0
請問a和b是多少呢?
想法 : 令絕對值內部為0 ,所以a=3 b=5 請問是這樣嗎?
2. 2(x-1)^4 和 y=k(k為正數) 有A,B兩交點 ,求A,B兩點的x坐標和?
以上謝謝解答
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