Question

efectuați urm calcule după formula (a+b)²= a²+ 2•a•b+b²
a) (2+√3)²
b)(√5+2)²
c)(√7+3)²
e)(√5+5)²
f)(√3+√2)²

ofer coroana

Answer 1

a) 4+3+4√3= 7+4√3
b)5+4+4√5= 9+4√5
c) 7+9+6√7=16+6√7
e)5+25+10√5=30+10√5
f)3+2+3√6=5+3√6