logaritmi Flashcards
1
Q
logax+logay
A
loga(xy)
2
Q
logax - logay
A
loga x/y
3
Q
loga x^n
A
n logax
4
Q
loga radical ordin n de x
A
1/n logax
5
Q
loga^k x^n
A
n/k loga x
6
Q
a^logb c
A
c^logb a
7
Q
(loga)^k x^n
A
n^k (loga)^k x
8
Q
loga 1
A
0
9
Q
lnx
A
loge x
10
Q
A
11
Q
lgx
A
log10 x
12
Q
a^loga x
A
x
13
Q
e^lnx
A
x
14
Q
Schimbare de baza
A
1) loga x= 1/logx a
2)loga x=logb x/logb a