计算log2(为底的)3(的对数)×log3(为底的)4(的对数)=

问题描述:

计算log2(为底的)3(的对数)×log3(为底的)4(的对数)=

=lg3÷lg2×lg4÷lg3
=lg4÷lg2
=2lg2÷lg2
=2

答案是2
原式可化为:lg3/lg2 * lg4/lg3
=lg4/lg2
=2lg2/lg2
=2