[中學] log底數化簡
log底數是1/4 化成log底數是4
是log底數是(4)^-1 提到外面是變成 (1/-1)log底數是4
但是如果是 log底數是4 要化成log底數是1/4呢?
只想到變成log底數是(1/4)乘以16 好像做不下去了
該怎麼做才對@@?
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