Răspuns :
Raspuns:
[tex] \frac{ - 14}{ \sqrt{2} } [/tex]
Explicație:
[tex] = \frac{1 - 2 \sqrt{2} - 3 \sqrt{2} - 2 - 5 - \sqrt{2} }{ \sqrt{2} } = \frac{ - 14}{ \sqrt{2} } [/tex]
(1-2√2)√2 (3√2-2)√2 (3-√2)√2
--------------- - --------------- - --------------
2 2 2
√2-4 6-2√2 3√2-2
----------- - ----------- - -----------
2 2 2
√2-4 2(3-√2) 3√2-2
---------- - ------------ - -----------
2 2 2
√2-4 3√2-2
--------- - (3-√2) - -----------
2 2
√2-4 3√2-2
--------- - 3 + √2 - ------------
2 2
√2-4-6+2√2-(3√2-2)
------------------------------
2
√2-4-6+2√2-3√2+2
------------------------------
2
0-4-6+2
------------
2
0-8
-----
2
-8
---
2
REZULTAT: -4
Sper că te-am ajutat :)