WAEC - Mathematics (1999 - No. 2)
Simplify log\(_7\) 8 - log\(_7\) 2 + log\(_7\) 4.
0
\(2log_7 2\)
\(3log_7 2\)
\(4log_7 2\)
คำอธิบาย
log\(_7\) 8 - log\(_7\) 2 + log\(_7\) 4
= log\(_7\) (8/2 x 4)
= log\(_7\) 16
= 4 log\(_7\) 2
log\(_7\) 8 - log\(_7\) 2 + log\(_7\) 4
= log\(_7\) (8/2 x 4)
= log\(_7\) 16
= 4 log\(_7\) 2