√(2²-(√3)²)=√(4-3)=√1=1
as simple as that!!
dac nu uiti:
(a-b) (a+b)=a²-b²
√(2+√3)(2-√3)=√4-3=√1=1Am facut un singur radical si am folosit formula (a-b)(a+b)=a^2-b^2.
