Question

Rezolvă expresia 100 pct repedeee​

Answer 1

a)4x^2-4x+1+1-3x^2+2=x^2-4x+4=(x-2)^2
b)t=2radical3/3 astfel incat sa fie natural(faci ecuatie de gradul 2)

Answer 2

E(x)=(2x-1)²+(1-x√3)(x√3+1)+2

a)E(x)=(2x-1)²+(1²-3x²)+2=

(4x²-4x+1+3-3x²=x²-4x+4=(x-2)²

b) E(√3)+t√3=N

(√3-2)²+t√3=3-4√3+4+t√3

N =1-4√3+t√3

dacă t=4 =>N=1