Question

Calcule
a) log3 (3 . 81)
b) log2 (512/64)

Answer 1

log3 (3.81)
log3 +log81
3. 3

1 + log 3^4
3
1+ 4log3
3
1+ 4.1= 1+4=5

log512/64
2
log 512 -log64
2. 2

log 2^9 - log2^6
2. 2

9log2. - 6log 2
2 2
9.1. - 6.1= 9-6=3