maths

👨🏻‍🏫 學術台數學

metal

2007-08-23 6:38 am

Simplify logx³- logy / log¹/x + log ³√y

回答 (1)

用戶34881

2007-08-23 6:43 am

✔ 最佳答案

(logx³- logy) / (log¹/x + log ³√y)
= (3logx – logy) / (-logx + (1/3)logy)
= (3logx – logy) / [(-3logx + logy)/3]
= -(3logx – logy) / [(3logx - logy)/3]
= -3

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