[中學] 指對數
已知函數y＝log (kx^2)+0.75x的圖形與函數y＝(2^|x|)＋0.75x的圖形
2
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交於A、B兩點，若AB＝10，則求k＝？
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這題我本來想利用對稱興趣解，兩點應該會等高
所以交於的兩點應該為5、－5，但是答案卻差很多.....
還請版上的前輩們指教，謝謝。
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