a uchun yechish
a=\frac{9}{4^{n}}
n uchun yechish
n=-\frac{\ln(a)-2\ln(3)}{2\ln(2)}
a>0
Baham ko'rish
Klipbordga nusxa olish
4^{n+1}a=36
Tenglama standart shaklda.
\frac{4^{n+1}a}{4^{n+1}}=\frac{36}{4^{n+1}}
Ikki tarafini 4^{n+1} ga bo‘ling.
a=\frac{36}{4^{n+1}}
4^{n+1} ga bo'lish 4^{n+1} ga ko'paytirishni bekor qiladi.
a=\frac{9}{4^{n}}
36 ni 4^{n+1} ga bo'lish.
Misollar
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