Mathematics
Senior High
Resolved
為什麼是設這兩個?
> 可設直線ㄥ: ㄐㄧㄥ + ㄐㄩˇ= 1 + 2 = 1
k k
-k
一直線通過點(3,4)且在兩軸上截距之絕對值相等,試求其直線方程式
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但為什麼分母是k+(-k)
不是(-k)+k