Giải các phương trình sau:
1)
$\left ( \sqrt{2+\sqrt{3}} \right )^{x} + \left ( \sqrt{2-\sqrt{3}} \right )^{x}=2^{x}$
2) $\left ( \sqrt[3]{3+\sqrt{5}} \right )^{x} + \left ( \sqrt[3]{3-\sqrt{5}} \right )^{x}=2.3^{x-2}$
3) $2^{2x-1}+3^{2x}+5^{2x+1}=2^{x}+3^{x+1}+5^{x+2}$
4) $\left ( 6-4\sqrt{2} \right )^{x} +\left ( 3-2\sqrt{2} \right )^{x}=1$
5) $10^{x}+11^{x}+12^{x}=13^{x}+14^{x}$