Câu hỏi
CÂU 8 Rút gọn log_(2)5cdot ln2+4ln5
Giải pháp
4
(218 Phiếu)
Quang Hải
chuyên gia · Hướng dẫn 6 năm
Trả lời
To simplify the expression
, we can use properties of logarithms. First, recall that
. Therefore, we can rewrite
as
.Substitute this into the expression:
Next, simplify the term inside the parentheses:
So the expression becomes:
Combine like terms:
Thus, the simplified form of the given expression is: