Question

Determina numerele a,b@Q astfle incat a rad2 -b=(rad2 - 2)^2

Answer 1

(√2-2)²=(2-√2)²=4-4√2+2=6-4√2=-4√2+6=a√2-b

identificand coeficientii, obtinem

a=-4

b=-6

imbarligata artificial cu minusurile si sucirea ordinii normal a scrieriiunui numar irational!!!