Помогите решить 1) (6^1/2+2^1/2)^2+(6^1/2-2^1/2)^2 2) x-y/x^1/2+y^1/2

Question

Помогите решить
1) (6^1/2+2^1/2)^2+(6^1/2-2^1/2)^2
2) x-y/x^1/2+y^1/2

Answer 1

6+2×12^1/2+2+6-2×12^1/2+2=6+2+6+2=16