2^x=6 怎么求x?
问题描述:
2^x=6 怎么求x?
答
2^x=6;
两边取对数得
xlg2 = lg6;
x = lg6 /lg2
2^x=6 怎么求x?
2^x=6;
两边取对数得
xlg2 = lg6;
x = lg6 /lg2