Question

1)Daca a= 1-√2 si b = 1+ √2 , atunci :
a) a²+b²=....
b)ab=...
c) (a+b)²=....

2) Fie expresia E(x) = (x+1)²-(x+1)(x-1)
a) Dupa efectuarea calculelor E(x)=....
b) E(√2-1)=.....
c)Solutia ecuatiei E(x)=0.....

Answer 1

sper ca te.am ajutat :d