JAMB - Mathematics (2014 - No. 8)
Evaluate Log28 + Log216 - Log24
3
4
5
6
説明
\( = log_2 \frac{8 \times 16}{4}\)
\( = log_2 32\)
\( = log_2 2^5\)
\( = 5log_2 2\)
\( = 5 \times 1\)
\( = 5 \)
\( = log_2 32\)
\( = log_2 2^5\)
\( = 5log_2 2\)
\( = 5 \times 1\)
\( = 5 \)