[tex] {ob}^{2} = 3 \sqrt{3} \\ \\ \\ {ob}^{2} = \sqrt{ {3}^{2} \times 3 } \\ \\ {ob}^{2} = \sqrt{27} \\ \\ ob = \sqrt{ \sqrt{27} } \\ \\ ob = \sqrt[4]{27} \\ \\ \\ ili \\ \\ \\ ob = - \sqrt[4]{27} [/tex]

Ответ:

Объяснение:

ОВ²=3√3=3¹⁺⁰°⁵=3^1.5

OB=± 3^(3/2/2)=± 3^3/4