Запишиответ

Решиуравнение.

1. \(\sqrt{9^{x}–3^{x+1}+16}–3^{2x–1}=4–3^{x}\) ;

2. \(3\sqrt{9^{–x}+3^{–x}–1}+3^{–x}+3^{–2x}=5\) ;

3. \(\sqrt{4^{x}-3\cdot2^{x}+2}=2–2^{x}\) ;

4. \(\sqrt{0,25^{x}–3\cdot0,5^{x}+2}=2–0,5^{x}\) .

Ответ:

1. \(x=\) [ ];

2. \(x=\) [ ];

3. \(x=\) [ ];

4. \(x=\) [ ].