logarytmy
Julia: log20 40 − log20 0,1
log27 (log8 2)
oblicz x gdy log3 x= 2 + 4log3 2
21 gru 16:09
Jack: | | 40 | |
log20 40 − log20 0,1 = log20 ( |
| ) = log20 400 = 2 |
| | 0,1 | |
| | 1 | |
log27 (log8 2) = log27 ( |
| ) = ... |
| | 3 | |
21 gru 16:10
Jack: log3 x = 2 + 4 log3 2
log3 x = log3 9 + 4 log3 2
log3 x = log3 (9 * 16)
x = 144
21 gru 16:13