Question

Ajutor!!!!!!!! =) dau 10 puncte=) ​

Answer 1

Raspuns:

$\frac{ - 14}{ \sqrt{2} }$

Explicație:

$= \frac{1 - 2 \sqrt{2} - 3 \sqrt{2} - 2 - 5 - \sqrt{2} }{ \sqrt{2} } = \frac{ - 14}{ \sqrt{2} }$

Answer 2

(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 :)