а) x₁=√3, x₂=-√3,
б) x₁=√7, x₂=-√7,
в) x₁=√11, x₂=-√11,
г) x₁=√12=√(3·4)=√3·√4=2√3,
x₂=-√12=-√(3·4)=-√3·√4=-2√3,
д) x₁=√8=2√2,
x₂=-√8=-2√2,
е) x₁=√72=6√2,
x₂=-√72=-6√2,
а) x₁=√3, x₂=-√3,
б) x₁=√7, x₂=-√7,
в) x₁=√11, x₂=-√11,
г) x₁=√12=√(3·4)=√3·√4=2√3,
x₂=-√12=-√(3·4)=-√3·√4=-2√3,
д) x₁=√8=2√2,
x₂=-√8=-2√2,
е) x₁=√72=6√2,
x₂=-√72=-6√2,