Question

$(- \sqrt{1})^{2}$

$-\sqrt{1}^{2}$

Answer 1

$(-\sqrt{1})^2 =(-1)^2\cdot (\sqrt{1})^2 = 1\cdot 1 = 1 \\ \\ \sqrt{1}^2 = -(\sqrt 1)^2 = -1$