㏒3 1/6+2㏒3√2=?
问题描述:
㏒3 1/6+2㏒3√2=?
答
原式=log3(1/6)+log3(√2)²
=log3(1/6)+log3(2)
=log3(1/6×2)
=log3(3^-1)
=-1