Log3(9^2*27^(1/3))=?
问题描述:
Log3(9^2*27^(1/3))=?
答得合理的马上采纳.
答
Log3(9^2*27^(1/3))
= Log3((3^2)^2*(3^3)^(1/3))
= Log3((3^(2*2))*(3^(3*1/3)))
= Log3((3^4)*3)
= Log3(3^5)
= 5*Log3(3)
= 5