Question

Qual é o valor de:
a) $log_{8} (log _{3}9) ?$
b) $log_{9}(log_{4}64)+log_{4}(log_{3}81) ?$

Answer 1

log₃(9) = 2
log₄(64) = 3
log₃(81) = 4 
log₈(2) = $\frac{1}{3}$
log₉(3) + log₄(4) = $\frac{1}{2} + 1 = \frac{3}{2}$