Oblicz wartosc wyrazenia: W=logu{1}{3}x + log_9 x^2 + log_{ p{3} } p{x} - log_3x
Paula: Oblicz wartosc wyrazenia:
W=log13x + log9 x2 + log √3 √x − log3x dla x>0
6 lis 13:21
a:
| | log3x2 | | 1 | |
log9x2 = |
| = |
| log3x2 |
| | log39 | | 2 | |
| | log3√x | |
log√3√x = |
| = 2log3√x |
| | log3√3 | |
| | 1 | |
W = −log3x + |
| log3x2 + 2log3√x − log3x |
| | 2 | |
W = log
3x − log
3x − log
3x + log
3x = 0
6 lis 13:55