Răspuns:
[tex]( \sqrt{2} - 1) {}^{2} [/tex]
[tex]( \sqrt{2} ) {}^{2} - 2 \times \sqrt{2} \times 1 + 1 {}^{2} [/tex]
[tex]2 - 2 \sqrt{2} + 1[/tex]
[tex]3 - 2 \sqrt{2} [/tex]
E)
[tex]( \sqrt{10} - \sqrt{3} ) {}^{2} [/tex]
[tex]( \sqrt{10} ) { }^{2} - 2 \times \sqrt{10} \times \sqrt{3} + ( \sqrt{3} ) {}^{2} [/tex]
[tex]10 - 2 \sqrt{30} ) + 3[/tex]
[tex]13 - 2 \sqrt{30} [/tex]
I)
[tex](5 \sqrt{3} - 2 \sqrt{6} ) {}^{2} [/tex]
[tex](5 \sqrt{3} ) {}^{2} - 2 \times 5 \sqrt{3} \times 2 \sqrt{6} + (2 \sqrt{6} ) {}^{2} [/tex]
[tex]25 \times 3 - 10 \sqrt{3} \times 2 \sqrt{6} + 4 \times 6[/tex]
[tex]75 - 20 \sqrt{18} + 24[/tex]
Vom descompune radical din 18
75-20*2radical din 3 +24
75-40radical din 3+24=99- 40 radical din 3
Sper că te-am ajutat!
