Tìm n, biết;a) \(\frac{32}{2^n}=2\) i) \(\frac{3^5}{3^n}=3^{10}\)b) \(\frac{8^n}{2^n}=16\) j) \(\frac{5^5}{5^n}=5^{18}\)c) \(\frac{33^{2n}}{11^{2n}}=81\) k) \(\frac{2^3}{2^n}=4^5\)d) \(\frac{54}{3^{n-2}}=2\) ...
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Tìm n, biết;
a) \(\frac{32}{2^n}=2\) i) \(\frac{3^5}{3^n}=3^{10}\)
b) \(\frac{8^n}{2^n}=16\) j) \(\frac{5^5}{5^n}=5^{18}\)
c) \(\frac{33^{2n}}{11^{2n}}=81\) k) \(\frac{2^3}{2^n}=4^5\)
d) \(\frac{54}{3^{n-2}}=2\) l) \(3x=\frac{9^8}{27^3.81^2}\)
e) \(\frac{175}{5^{n+1}}=7\)
f) \(\frac{135}{3^{n-2}}=5\)
g) \(\frac{64}{2^{n+1}}=8\)
h) \(\frac{3^8}{3^n}=3^{20}\)
