Równania.
: 9 mar 2009, o 16:49
1. Rozwiąż równania:
a) \(\displaystyle{ 3^{x+2}}\) * \(\displaystyle{ 9^{3x-1}}\) = \(\displaystyle{ 27^{x+4}}\)
b) \(\displaystyle{ log_{2}}\)x = - \(\displaystyle{ \frac{2}{3}}\)
c) \(\displaystyle{ log_{x}}\) \(\displaystyle{ \frac{1}{9}}\) = -2
2. Oblicz:
d) \(\displaystyle{ 10^{2+log3}}\)
e) \(\displaystyle{ log_{\frac{1}{2}}\)32
a) \(\displaystyle{ 3^{x+2}}\) * \(\displaystyle{ 9^{3x-1}}\) = \(\displaystyle{ 27^{x+4}}\)
b) \(\displaystyle{ log_{2}}\)x = - \(\displaystyle{ \frac{2}{3}}\)
c) \(\displaystyle{ log_{x}}\) \(\displaystyle{ \frac{1}{9}}\) = -2
2. Oblicz:
d) \(\displaystyle{ 10^{2+log3}}\)
e) \(\displaystyle{ log_{\frac{1}{2}}\)32