Question

Aflati numarul a= $(\frac{1}{2} - \sqrt{3}) ^{2}+ ( \frac{ \sqrt{3} }{2} +1) ^{2} + ( 1- \sqrt{5})(1+ \sqrt{5} )$ este intreg. Help mee please!

Answer 1

1/4-√3+3+3/4+√3+1+1-5
4/4+5-5
1+0=1