Oblicz logarytmy! Będę wdzięczna za pomoc. Daje najj

Odpowiedź:
Podpowiedź:
loga b = c
czyli
a^c =b
a)
log4 4 = 1
log7 1 = 0
log5 5^6 = 6* log5 5 = 6 * 1 = 6
log3 3^(-7) = -7 * log3 3 = -7
b)
log2/3 (2/3)^10 = 10 * log2/3 (2/3) = 10
log1/4 (1/4) = 1
log3/5 5/3 = log3/5 (3/5)^(-1) = -1 * log3/5 (3/5) = -1
log3/4 1 = 0
a) log4 4=1 ( bo 4^1=4 )
log7 1=0 ( bo 7^0=1 )
log5 5^6=6log5 5=6·1=6
log3 3^-7=-7log3 3=-7·1=-7
lg2/3 (2/3)^10=10log2/3 (2/3)=10·1=10
log1/4 (1/4)=1
log5/3 (5/3)=1
log3/4 1=0