已知lg2=a,lg3=b求log3(4)
问题描述:
已知lg2=a,lg3=b求log3(4)
答
log3(4)
=lg4/lg3
=2lg2/lg3
=2a/b
已知lg2=a,lg3=b求log3(4)
log3(4)
=lg4/lg3
=2lg2/lg3
=2a/b