powtórzenie z logarytmów
Anna: 1Oblicz:
a)log √3 9
b)log 6 136
c)log7 √7
d)log 323 + log 316
e)log5 √10 −log5√2
30 lis 17:08
sushi_ gg6397228:
wzory znamy?
30 lis 17:11
Radek:
4
−2
0,5
tutaj nie wiem co w mianowniku
0,5
30 lis 17:12
Janek191:
| | 2 | | 1 | | 2 | | 1 | | 2 | |
d) log3 |
| + log3 |
| = log3 ( |
| * |
| ) = log3 |
| = |
| | 3 | | 6 | | 3 | | 6 | | 18 | |
| | 1 | | 1 | | 1 | |
= log3 |
| = − 2, bo 3−2 = |
| = |
| |
| | 9 | | 32 | | 9 | |
30 lis 17:20