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UUUUUUUUUURRRRRRRRRRRGGGGGGGGGEEEEEEEENNNNNNNTTTTTTTTTT

UUUUUUUUUURRRRRRRRRRRGGGGGGGGGEEEEEEEENNNNNNNTTTTTTTTTT class=

Răspuns :

[tex] \frac{x}{ \sqrt{2}+1 }= \frac{16( \sqrt{2} -1)}{2} [/tex]

Facem produsul mezilor si extremilor:

[tex]2x = 16( \sqrt{2} -1)(\sqrt{2}+1 )\\ 2x=16(2-1)\\ 2x=16\\ x=8[/tex]

2x=(16√2-16)(√2+1)
2x=32+16√2-16√2-16
2x=32-16
2x=16
x=8