Вычислите [tex]\bold{(1.28-1.29):}[/tex]
[tex]\fbox{1.28}\text{ 1) }2^{1-2\sqrt{7}}\cdot4^{\sqrt{7}+1}; \text{ 2) }3^{(\sqrt{5}+1)^2}:3^{2\sqrt{5}+4 }.\\ \fbox{1.29}\text{ 1) }9^{\sqrt{5}-1}\cdot3^{3-2\sqrt{5}}; \text{ 2) }4^{(1-\sqrt{7})^2}:4^{6-2\sqrt{7}}.[/tex]
[tex]\fbox{1.28}\text{ 1) }2^{1-2\sqrt{7}}\cdot4^{\sqrt{7}+1}; \text{ 2) }3^{(\sqrt{5}+1)^2}:3^{2\sqrt{5}+4 }.\\ \fbox{1.29}\text{ 1) }9^{\sqrt{5}-1}\cdot3^{3-2\sqrt{5}}; \text{ 2) }4^{(1-\sqrt{7})^2}:4^{6-2\sqrt{7}}.[/tex]
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Ответ:
1.28. 1) 8
2) 9
1.29. 1) 3
2) 16
Объяснение:
На фото