Răspuns :
a) (2+√3)²=
=2²+2×2√3+(√3)²=
=4+4√3+3=7+4√3
[tex](2 + \sqrt{3} ) {}^{2} [/tex]
[tex]2 { }^{2} + ( \sqrt{3) {}^{2} } [/tex]
4+3 = 7
a) (2+√3)²=
=2²+2×2√3+(√3)²=
=4+4√3+3=7+4√3
[tex](2 + \sqrt{3} ) {}^{2} [/tex]
[tex]2 { }^{2} + ( \sqrt{3) {}^{2} } [/tex]
4+3 = 7