Răspuns :
p=(√5+√2)²-√2·(√5+√2)-√5·(√2+2√5)=5+2√10+2-√10-2-√10-10=5-10=-5⇒numar intreg
(√5+√2)²-√2·(√5+√2)-√5·(√2+2√5)= 5+2√10+2-√10-2-√10-10= -5