Найдите все корни уравнений:
1) \(\displaystyle z^2= 5 ^2\)
\(\displaystyle z_1=\)[ ], \(\displaystyle z_2=\)[ ]
2) \(\displaystyle y^2=\left(\frac{11}{17}\right)^2\)
\(\displaystyle y_1=\)[ ], \(\displaystyle y_2=\)[ ]