Question

a)(1-√3)²+(1+√3)²-(1-√3)(1+√3)=

b)(2√5+√2)²-(2√5-√2)²+(2√5+√2)(2√5-√2)=

c)$\frac{2}{5}$ -2√3) ($\frac{2}{5}$ +2√3)+(- $\frac{2}{5}$ -√2)($\frac{2}{5}$ +2√3)=

d)(0,7+√11)²-(0,7-√11)²(-0,7-√11)+(√11-0,7)(0,7+√11)

Answer 1

Răspuns:

Ai rezolvarea mai jos

Sper sa te ajute