Question

(√2-1)la a 2 + 2√2
pls

Answer 1

Răspuns:

$(2 - 2 \times \sqrt{2} \times 1 + 1 {}^{2} ) + 2 \sqrt{2}$

$3 - 2 \sqrt{2} + 2 \sqrt{2}$

$= 3$