Question

Please help. In this
Question​

Answer 1

$(- \sqrt{ - 1} )^{4n + 3} \\ \\ \\ [- ({ - 1})^{ \frac{1}{2}}]^{4n + 3} \\ \\ [{1}^{ \frac{1}{2}}] ^{ 4n+ 3} \\ \\ {1}^{ \frac{4n+ 3}{2} } \\ \\ (\sqrt{1})^{4n + 3}$